Smoke & Carbon Monoxide (CO) Alarms; Alarm Type: Smoke; Sensor Type: Ionization; Mount Type: Wall, Ceiling; Interconnectable: Interconnectable; Power Source: Wire-In with Battery Backup; Battery Chemistry: Carbon Zinc; Battery Size: 9V; Batteries Included

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Item #: 42002139Brand: First AlertModel #: 1046838 Product Specifications Alarm Type Smoke Sensor Type Ionization Mount Type Wall; Ceiling Interconnectable Interconnectable Power S ource Wire-In with Battery Backup Battery Chemistry Carbon Zinc Battery Size 9V Batteries Included Yes Maximum Interconnected Units 12 Overall Diameter 6.000 Maximum Decibel Rating 85.0 dB Overall Length 6.00 in Current Type AC; DC Overall Width 6 in Warranty Length 10 Maximum Operating Temperature 100 F Features Interconnect Hardwire Smoke Alarm with Battery Backup. Direct wire-in with 9V battery backup. Hardwired with battery backup for protection during power outages. Perfect mount for easy installation. Mounting bracket keeps the alarm secure over a wide rotation range for ideal alignment. Latching alarm indicator, visually identifies unit that initiated alarm or low battery. Interconnects with most First Alert and BRK hardwired alarms. When one alarm sounds, all compatible alarms sound (up to 12 smoke alarms and 6 other alarms). Test/Silence Button, temporarily silence or test the alarm with one-touch easy access button. Dust cover, keeps the alarm clean during construction. Standards UL 217 Number Of Batteries 1 UNSPSC Code 46191501 Show more