After an alarm is turned on for the first time, it should last approximately 7-10 years in normal operating conditions. This can vary slightly based on the model you own. Check your alarm's manual for the exact warranty period. If your alarm is more than 10 years old, it's time for a replacement. First Alert's Smoke / CO Warranty begins at the ... The fashion world is always changing, but one thing that’s here to stay is dark navy blue sandals. This classic style has been around for decades, but it’s recently been making a c...Low Battery: This is the most common reason for chirping smoke alarms. It's usually a single beep at intervals of 30 to 60 seconds. Replacing the batteries with fresh ones should silence the alarm. End of Life: Smoke alarms don't last forever. If your smoke detector is chirping constantly or in a different pattern than usual, it may be nearing ...First Alert is a leading brand of fire safety products, including smoke alarms, carbon monoxide detectors, and combination alarms. Learn how to protect your home and family from fire and carbon monoxide hazards, and explore different models, features, and installation guides for each product category. First Alert also offers wireless and plug-in …1-48 of 72 results for "first alert model no 9120b" Results. FIRST ALERT. 9120B Smoke Detector, Hardwired Alarm with Battery Backup, 6-Pack. 4.7 out of 5 stars. 15,818. 4K+ bought in past month. $68.26 $ 68. 26. FREE delivery May 15 - 17 . More Buying Choices $66.99 (25 new offers) The First Alert 9120B Hardwired Smoke Alarm with Battery Backup comes equipped with an ultra-reliable ionization sensor to provide the earliest possible warning of a fast-flaming fire. The sensor is optimized to detect flaming fires, such as those caused by paper, kitchen grease, and other fast-combusting materials. Step 4. Remove the battery and dispose of it properly. Replace the old battery with a new 9V battery and close the compartment. You should hear a click to know that the compartment is secured. Add a comment. 20 results for "first alert model 9120" Results. First Alert 9120BFF Smoke Detector, Hardwired Alarm with Battery Backup, 1-Pack. 4.7 out of 5 stars 30,444. ... FIRST ALERT CO605 Plug-in Battery Backup Carbon Monoxide Alarm and FIRST ALERT 9120B Smoke Detector Alarm | Hardwired with Backup Battery. 4.7 out of 5 stars 30. $36.85 $ 36. 85.The First Alert SA511 Interconnected Wireless Smoke Alarm with Voice & Location Alerts is battery operated and features an 85-decibel alarm with voice alerts that tell you where the danger is located. A photoelectric sensor detects smoke while minimizing false alarms from cooking or shower steam. Interconnected smoke detectors in different ...$12.21. Ionization smoke sensor. Tamper resistant locking pins. Hardwired with battery backup. View More Details. Out of Stock. Receive an email when this item is back in stock. Notify Me. Free & Easy Returns In Store or Online. Return this item within 90 days of purchase. Read Return Policy. Loading Recommendations.View the First Alert 9120LBL manual for free or ask your question to other First Alert 9120LBL owners. Manua. ls. Manua. ls. First Alert smoke detectors · First Alert 9120LBL manual. ... Model 9120B with 10 year Battery Backup Printed in Mexico M08-0134-010 K1 01/15 CONFORMS TO UL STD 217 IONIZATION Model 9120B9120B-48P Hardwired Ionization Smoke Alarm w/Battery Backup-Box Pack 9120B Hardwired Ionization Smoke Alarm with Battery Backup Offer valid thru 1/1/01 Details First Alert is the category leader in fire safety and delivers reliable life safety products that help our consumers protect what matters most through innovation and performance. Working smoke alarms cut the risk of dying in a home fire by 50% and that's important because a home structure fire was reported every 86-seconds. The faster you know about a fire, the faster you can start moving your ... Model: 9120LBL. Download product manual. Register your product. ... First Alert Consumer Support. Hours of Operation: Mon-Fri (9am - 8pm CT) Sat-Sun (9am - 5:30pm CT) Model: SC9120B. Download product manual. Register your product. Buy now. Setup. Why Replace Smoke Alarms Every 10 Years? ... First Alert Consumer Support. Hours of Operation: Mon-Fri (9am - 8pm CT) Sat-Sun (9am - 5:30pm CT) 1-800-323-9005. Onelink & Smart Home Support.There is a newer model of this item: First Alert SMI105-AC, Interconnect Hardwire Smoke Alarm with 10-Year Battery Backup, 1-Pack $30.99 In Stock. Add a debit or credit card to save time when you check out. ... First Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup, 12-Pack. Model 9120B. Input: 120V AC ~, 60 Hz, 0.04A. IMPOR. TANT! PLEASE READ CAREFULLY AND SAVE ... Need a manual for First Alert SA88 SA150LT SA150LTD... Replaced battery ... 20 results for "first alert model 9120" Results. First Alert 9120BFF Smoke Detector, Hardwired Alarm with Battery Backup, 1-Pack. 4.7 out of 5 stars 30,444. ... FIRST ALERT CO605 Plug-in Battery Backup Carbon Monoxide Alarm and FIRST ALERT 9120B Smoke Detector Alarm | Hardwired with Backup Battery. 4.7 out of 5 stars 30. $36.85 $ 36. 85.Are you an employee? Login here. LoadingThe BRK Brands, Inc. (First Alert) 9120LBL (base model 9120B) is a wire-in, 120V AC 60Hz single and/or multiple station smoke alarms specifically designed for residential and institutional applications including sleeping rooms of hospitals, hotels, motels, dormitories and other multi-family dwellings as defined in standard NFPA 101.SKU: 1039935. The First Alert SCO2 Battery-Operated Combination Smoke and Carbon Monoxide Alarm is easy to install and operate. Equipped with an ionization smoke sensor and an electrochemical CO sensor, it provides 2-in-1 protection from smoke produced by flaming fires and carbon monoxide leaks from multiple sources.Product Details. Power Source: Hardwired. Battery Backup: 9V. Sensor: Ionization. Interconnect: Can be linked with up to 18 units (12 Smoke, 6 CO/Heat/Relay) Smart Technology :Helps reduce nuisance alarms. Noise Output: 85 dB in a T3 Pattern. Single Button: One press to silence and test alarm.View the First Alert SC9120B manual for free or ask your question to other First Alert SC9120B owners. Manua. ls. Manua. ls. First Alert not categorized · First Alert SC9120B manual. 7.5 · 1. give review. ... First Alert: Model: SC9120B: Product: not categorized: Language: English: Filetype: User manual (PDF)First Alert is a leading brand of fire safety products, including smoke alarms, carbon monoxide detectors, and combination alarms. Learn how to protect your home and family from fire and carbon monoxide hazards, and explore different models, features, and installation guides for each product category. First Alert also offers wireless and plug-in …120-volt hardwired smoke alarm wires directly into your home's electrical system. Ionization smoke sensor reliably detects particles from fast-flaming fires. Hassle-free installation, no need to rewire. 10-year battery backup for protection during power outages. Can integrate with up to 12 other First Alert or BRK hardwired smoke detectors.The First Alert smoke detector can be interconnected to a total of 18 other devices, 12 of which can be smoke alarms. The BRK First Alert 9120BFF is very easy to use thanks to its silence and test button and the fact that it comes with both a visual and audible reminder of low battery makes it very safe. What I Liked About First Alert … Improved UV Resistance: Keeps alarm from discoloring over time. Standards: UL 217. Warranty: 10 Year Limited. Product Dimensions (LxWxH): 5.6 x 1.9 x 5.6 in. Product Weight: .6 lbs. Smoke particles of varying number and size are produced in all fires. For maximum protection, use both ionization and photoelectric sensing technologies. Shop First Alert BRK Hardwired Ionization Sensor Smoke Detector in the Smoke Detectors department at Lowe's.com. The BRK 9120B Hardwired Smoke Alarm with Battery Backup. This 120 volt AC smoke detector uses an ionization smoke sensor to reliably detect smoke from hot,First Alert Brk 3-Pack Hardwired Ionization Sensor Smoke Detector. Item # 1620738 |. Model # 1039750. Get Pricing & Availability. Use Current Location. Hardwired ionization smoke alarm with 9-volt battery back-up. Latching alarm indicator - remembers which unit initiated an alarm.First Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup, 6-Pack. $67.80 $ 67. 80. ... Item model number SC9120B : Batteries 1 9V batteries required.First Alert 9120B Smoke Alarm User Manual. Open as PDF. of 7 TABLE OF CONTENTS. ... Model 9120B. Input: 120V AC ~, 60 Hz, 0.04A. IMPOR. TANT! PLEASE READ CAREFULLY ...Change Smoke Alarm Battery. First Alert 9120BShop First Alert BRK 6-Pack Hardwired Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowe's.com. The BRK SC9120 hardwired combination smoke and carbon monoxide alarm uses electrochemical Co sensing technology and ionization sensor for smoke …View the First Alert SC9120B manual for free or ask your question to other First Alert SC9120B owners. Manua. ls. Manua. ls. First Alert not categorized · First Alert SC9120B manual. 7.5 · 1. give review. ... First Alert: Model: SC9120B: Product: not categorized: Language: English: Filetype: User manual (PDF)First Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup, 6-Pack. $67.80 $ 67. 80. ... Item model number SC9120B : Batteries 1 9V batteries required.Find a replacement alarm model. Number of Views 20.03K. Replacement Mounting Brackets. Number of Views 2.9K. About alarm life expectancy / expiration. Number of Views 41.93K. ... First Alert Consumer Support. Hours of Operation: Mon-Fri (9am - 8pm CT) Sat-Sun (9am - 5:30pm CT) 1-800-323-9005. Onelink & Smart Home Support.Shop First Alert BRK 6-Pack Hardwired Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowe's.com. The BRK SC9120 hardwired combination smoke and carbon monoxide alarm uses electrochemical Co sensing technology and ionization sensor for smoke …First Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup, 6-Pack. $67.80 $ 67. 80. ... Item model number SC9120B : Batteries 1 9V batteries required.AccuWeather is a trusted name when it comes to weather forecasting and providing real-time updates and alerts. With their advanced technology and accurate predictions, they have be...SKU: 9120BA. 4.5 / 5.0. (876 Reviews) WHERE TO BUY. 120-volt hardwired smoke alarm wires directly into your home's electrical system. Ionization smoke sensor reliably detects particles from fast-flaming fires. Hassle-free installation, no need to rewire. Easy-to-access battery drawer; 9-volt battery included.In Stock. This item: $7299. First Alert 9120BFF Smoke Detector, Hardwired Alarm with Battery Backup, White, 1-Pack. $1428. FIRST ALERT BRK SC9120FF Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup, 1 pack , White. $3342. These items are shipped from and sold by different sellers.If you have a battery powered detector, change the batteries in the unit at least every six months. Clean your smoke and carbon monoxide alarms at least once a month: Gently vacuum the outside of the alarm using your household vacuum’s soft brush attachment. A can of clean compressed air, found at computer or office supply stores, may also be ...Change Smoke Alarm Battery. First Alert 9120BFirst Alert Hardwired Photoelectric and Ionization Smoke Alarm 3120B. ... If you have a 10-Year model, the smoke alarm may not have been properly activated. ... MPN: 9120B (802) $12.95 Save: $7.00 Quick view First Alert 10-Year Sealed Battery Low Profile Smoke Alarm - PR710 . MPN: 1039852 (32) $32.95 Save: $7. ...CO605 Plug-in Battery Backup Carbon Monoxide Alarm and FIRST ALERT 9120B Smoke Detector Alarm | Hardwired with Backup Battery. 4.7 out of 5 stars. 32. $43.11 $ 43. 11. FREE delivery. FIRST ALERT. ... first alert model sc9120b sc9120b smoke detector ...I had to take down one of the smoke detectors in the house today because it was faulty and was beeping at random times of the day/night for no reason. The ma...First Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup, 12-Pack. Visit the FIRST ALERT Store. 4.7 15,743 ratings. 500+ bought in past month. -60% $10830. List Price: $272.99. Available at a lower price from other sellers that may not offer free Prime shipping. Size: 12-Pack. 1 Count (Pack of 1)1046834 Interconnect Hardwire Smoke Alarm with Battery Backup. The First Alert SMI100-AC Interconnect Hardwire Smoke Alarm with Battery Backup meets new industry standards utilizing First Alert's Precision Detection advanced sensing technology. This hardwire smoke alarm is easy to install and replace existing detectors with no need to rewire.This product is a 120-volt hardwired smoke alarm with an ionization sensor that detects fast-flaming fires. It has a battery backup, a pivoting battery drawer, and can integrate …The fashion world is always changing, but one thing that’s here to stay is dark navy blue sandals. This classic style has been around for decades, but it’s recently been making a c...View the First Alert 9120LBL manual for free or ask your question to other First Alert 9120LBL owners. Manua. ls. Manua. ls. First Alert smoke detectors · First Alert 9120LBL manual. ... Model 9120B with 10 year Battery Backup Printed in Mexico M08-0134-010 K1 01/15 CONFORMS TO UL STD 217 IONIZATION Model 9120B120-volt hardwired smoke alarm wires directly into your home’s electrical system. Smoke detector can integrate with up to 18 compatible devices for extended coverage. Photoelectric sensor detects smoke from smoldering fires while minimizing false alarms. Universal mounting bracket and hardwire quick connect plug for hassle-free installation.Model #1040489. Shop First Alert. 100+ views last week. Get Pricing & Availability . ... The BRK 9120B Hardwired Smoke Alarm with Battery Backup. This 120 volt AC smoke detector uses an ionization smoke sensor to reliably detect smoke from hot, fast flaming fires and alerts you with a loud 85 decibel alarm. ... This smoke alarm can integrate ...If your smoke alarm is chirping even though it has a new battery, try these troubleshooting steps to clear out residual charge from the old battery. Remove the alarm from your ceiling or wall. Open the cover and take out the battery. Press and hold the test button for 15-30 seconds. This will fully reset the smoke alarm and drain any charge ...In today’s fast-paced world, staying informed is more important than ever. Whether you’re a news junkie or just want to be in the know, live breaking news alerts can help you stay ...Model: 9120LBL. Download product manual. Register your product. ... First Alert Consumer Support. Hours of Operation: Mon-Fri (9am - 8pm CT) Sat-Sun (9am - 5:30pm CT)Are you tired of being caught off guard by sudden changes in weather conditions? Look no further than the WFAA Weather App – your ultimate companion for real-time updates and alert...First Alert is a leading brand of fire safety products, including smoke alarms, carbon monoxide detectors, and combination alarms. Learn how to protect your home and family from fire and carbon monoxide hazards, and explore different models, features, and installation guides for each product category. First Alert also offers wireless and plug-in …1-48 of 78 results for "brk first alert model 9120b" Results. First Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup, 6-Pack. 4.7 out of 5 stars. 15,039. 5K+ bought in past month. $58.78 $ 58. 78. FREE delivery Jan 18 - 23 . …3 x Siterwell Smoke Alarm 10 Year Battery Smoke Detector Photoelectric Alarms. $37.04. Trending at $40.99. Find many great new & used options and get the best deals for BRK First Alert 9120B Smoke Detector at the best online prices at eBay! Free shipping for many products!We would like to show you a description here but the site won’t allow us.View the First Alert 9120B6CP manual for free or ask your question to other First Alert 9120B6CP owners. Manua. ls. Manua. ls. First Alert smoke detectors · First Alert 9120B6CP manual. 7.5 · 1. give review. PDF ... (Model 9120B only). Improved UV Resistance keeps the alarm from discoloring over time. FIRE SAFETY TIPS. Follow …First Alert maintains high manufacturing standards in all of our products. First Alert, Onelink, and BRK have had no product recalls in the past decade. If a First Alert product isn't working as expected, browse our Help Center for solutions or contact our Support Team. To check product recalls for any consumer product (including First Alert ... Improved UV Resistance: Keeps alarm from discoloring over time. Standards: UL 217. Warranty: 10 Year Limited. Product Dimensions (LxWxH): 5.6 x 1.9 x 5.6 in. Product Weight: .6 lbs. Smoke particles of varying number and size are produced in all fires. For maximum protection, use both ionization and photoelectric sensing technologies. The First Alert 0827 Sealed Ionization Smoke Alarm features a built-in 3-volt lithium power cell that lasts for 10 years, eliminating the need for battery replacements for the life of the fire alarm. Using a smoke detector system with a sealed battery provides the ultimate in longevity and security, preventing possible lapses in protection. 4120B 9120B AC/DC BRK Smoke (includes silence) 86RACHA 9120BA AC/DC BRK Smoke-Canada 4120B-48B 9120B-48B AC/DC BRK Smoke 48 bulk pack 4120B-48P 9120B-48P AC/DC BRK Smoke 48 pack 4120B-GFD 9120B-GFD AC/DC BRK Smoke Gravity Feed Display 4120LB 9120LB AC/DC BRK Smoke w/Lithium Battery 4120SAB …We would like to show you a description here but the site won’t allow us. Are you an employee? Login here. Loading A hardwired ionization smoke alarm with 9V battery backup and adapter plugs for easy installation. It can be linked with up to 18 units and has a …Install as a standalone smoke alarm or interconnect multiple detectors together to create an alarm system throughout your home. When one hardwire interconnected alarm sounds, all connected alarms will sound to help provide an early warning. Integrate with up to 12 other First Alert or BRK alarms and 6 other compatible devices.First Alert Smoke and CO Alarm Disposal / Recycling. Learn how to properly dispose of old detectors. Install a Hardwired First Alert Alarm. Learn the step-by-step process for installing a hardwired alarm. Find more information about your First Alert or BRK product, including manuals, tutorials, and more.Model: 3120B. Download product manual. Register your product. ... First Alert Consumer Support. Hours of Operation: Mon-Fri (9am - 8pm CT) Sat-Sun (9am - 5:30pm CT)Review and installation of First Alert 9120B6CP 120-Volt Wire-In With Battery Backup Smoke Alarm, 6-Pack available on Amazon.com https://amzn.com/B000KKHWLUWhat do First Alert smoke or CO alarms sound like? Learn More > Register your product. Request a combination or key. First Alert Consumer Support. Hours of Operation: Mon-Fri (9am - 8pm CT) Sat-Sun (9am - 5:30pm CT) 1-800-323-9005. Onelink & Smart Home Support. Hours of Operation:When it comes to emergency situations, timely and accurate weather alerts can mean the difference between life and death. In recent years, advancements in technology and meteorolog... SKU: 1039935. The First Alert SCO2 Battery-Operated Combination Smoke and Carbon Monoxide Alarm is easy to install and operate. Equipped with an ionization smoke sensor and an electrochemical CO sensor, it provides 2-in-1 protection from smoke produced by flaming fires and carbon monoxide leaks from multiple sources. I had to take down one of the smoke detectors in the house today because it was faulty and was beeping at random times of the day/night for no reason. The ma...We would like to show you a description here but the site won’t allow us. Are you an employee? Login here. Loading Model: 9120LBL. Download product manual. Register your product. ... First Alert Consumer Support. Hours of Operation: Mon-Fri (9am - 8pm CT) Sat-Sun (9am - 5:30pm CT) This product is a 120-volt hardwired smoke alarm with an ionization sensor that detects fast-flaming fires. It has a battery backup, a pivoting battery drawer, and can integrate …How to Install Hard Wired Smoke Detector - Easy Installation First Alert Smoke Detector Model 9120BFirst Alert Smoke Detector (9120B): https://amzn.to/3FMIoQ...First Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup, 3-Pack User Manual of Product 2: ... Model 9120B Input: 120V AC ~, 60 Hz, 0.04A IMPORTANT! PLEASE READ CAREFULLY AND SAVE This user’s manual contains important information about your Smoke Alarm’s operation. If you are installing the Smoke Alarm for use by …MPN: 9120B (802) $12.95 Save: $7.00 Quick view First Alert BRK Hardwired Heat Alarm with Battery Backup . MPN: HD6135FB (36) $28. ... After 10 years, it was recommended that we replace our First Alert smoke alarms! So glad this model lasted and is still available! great product! Byron R1044368 Hardwired Smoke and Carbon Monoxide Alarm with Battery Backup. SKU: 1044368. NO SELLERS FOUND. Hardwired CO smoke alarm features battery backup for constant monitoring. Can connect to other compatible BRK or First Alert CO smoke detectors. Lights indicate if the alarm is for smoke or for carbon monoxide.Troubleshooting the red light on your First Alert smoke alarm is crucial for maintaining a reliable home safety system. To deal with typical problems, follow these steps: Replace Batteries: If you notice a blinking red light, it’s often due to low batteries. Replace them promptly, and ensure you use high-quality, long-lasting batteries.The First Alert SC7010B Combination Smoke and Carbon Monoxide Alarm uses an advanced electrochemical CO sensor to detect elevated carbon monoxide levels from a variety of sources, such as faulty fuel-burning appliances, blocked chimneys, and cars left running in the garage. The hardwired alarm is also microprocessor-controlled to help …Jan 1, 2008 · FIRST ALERT : Style 9120B : Power Source Battery Powered : Color White : Product Dimensions 1.9"D x 5.6"W x 5.6"H : Alarm Audible : Sensor Type Ionization : Material Plastic : Manufacturer First Alert : Part Number 9120B6CP : Item Weight 3.47 pounds : Item model number BRK9120b : Batteries 1 9V batteries ... Jan 1, 2008 · FIRST ALERT : Style 9120B : Power Source Battery Powered : Color White : Product Dimensions 1.9"D x 5.6"W x 5.6"H : Alarm Audible : Sensor Type Ionization : Material Plastic : Manufacturer First Alert : Part Number 9120B6CP : Item Weight 3.47 pounds : Item model number BRK9120b : Batteries 1 9V batteries ...
First Alert 9120B Smoke Alarm User Manual. Open as PDF. of 7 TABLE OF CONTENTS. ... Model 9120B. Input: 120V AC ~, 60 Hz, 0.04A. IMPOR. TANT! PLEASE READ CAREFULLY .... Where is the taylor swift concert in cincinnati
First Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup, 6-Pack. Visit the FIRST ALERT Store. 4.7 15,817 ratings. 4K+ bought in past month. …Model: SC9120B. Download product manual. Register your product. Buy now. Setup. Why Replace Smoke Alarms Every 10 Years? ... First Alert Consumer Support. Hours of Operation: Mon-Fri (9am - 8pm CT) Sat-Sun (9am - 5:30pm CT) 1-800-323-9005. Onelink & Smart Home Support.First Alert 9120BFF Smoke Detector, Hardwired Alarm with Battery Backup, White, 1-Pack. Visit the BRK Store. 4.7 17,406 ratings. 4K+ bought in past month. $1411. …Page 1: Table Of Contents. Improved UV Resistance keeps the alarm from discoloring over time. USER’S MANUAL Smoke Alarms AC Powered Ionization Smoke Alarm with Silence and Latching Features Model 9120 Input: 120V AC ~, 60 Hz, 0.04A AC Powered Ionization Smoke Alarm with Battery Back-up, Silence and Latching Features Model 9120B Input: 120V AC ...Review and installation of First Alert 9120B6CP 120-Volt Wire-In With Battery Backup Smoke Alarm, 6-Pack available on Amazon.com https://amzn.com/B000KKHWLUFirst Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup, 6-Pack. $67.80 $ 67. 80. ... Item model number SC9120B : Batteries 1 9V batteries required.View and Download First Alert 9120B user manual online. AC Powered Smoke Alarms with Battery Back-up and Silence 120V AC ~, 60 Hz, 0.04A. 9120B smoke alarm pdf manual …First Alert Smoke and CO Alarm Disposal / Recycling. Learn how to properly dispose of old detectors. Install a Hardwired First Alert Alarm. Learn the step-by-step process for installing a hardwired alarm. Find more information about your First Alert or BRK product, including manuals, tutorials, and more.How to Install Hard Wired Smoke Detector - Easy Installation First Alert Smoke Detector Model 9120BFirst Alert Smoke Detector (9120B): https://amzn.to/3FMIoQ...First Alert smoke detectors are a crucial component of home safety, providing early warning in the event of a fire. However, homeowners may occasionally experience false alarms or ...Product Details. Power Source: Hardwired. Battery Backup: 9V. Sensor: Ionization. Interconnect: Can be linked with up to 18 units (12 Smoke, 6 …Male zebras are called stallions. Females are called mares, and young zebras are called foals. In zebra herds, stallions alert the herd to predators and serve as guardians. Three s... First Alert Brk 3-Pack Hardwired Ionization Sensor Smoke Detector. Item # 1620738 |. Model # 1039750. Get Pricing & Availability. Use Current Location. Hardwired ionization smoke alarm with 9-volt battery back-up. Latching alarm indicator - remembers which unit initiated an alarm. See the table below to identify your model number and Latching Alarm light pattern: LED Color Latching LED Blinking Pattern; Smoke Alarms: 9120 Series: Green: 2 seconds on, 2 seconds off: ... First Alert Consumer Support. Hours of Operation: Mon-Fri (9am - 8pm CT) Sat-Sun (9am - 5:30pm CT) 1-800-323-9005. Onelink & Smart Home Support..