First Alert Hardwired Smoke Alarm with Battery Backup 2 PACK

Features: -Smoke alarm. -Single button for testing and silencing. -Smoke detection technologies. -Latching alarm indicator, identifies which unit initiated an alarm. -Perfect mount allows for easy installation. -Meets new construction requirements. Product Type: -Smoke Detector. Orientation: -Wall/Ceiling Mounted. Power Source(s): -Battery. Mounting: -Wall. Generic Specifications: -9 Volt battery back up. -120 Volts. Dimensions: Overall Height - Top to Bottom: -2.25". Overall Width - Side to Side: -5.69". Overall Depth - Front to Back: -5.69". Overall Product Weight: -0.66 lbs. Detectors CO Detectors Institutional Safety 1 9V Detector DetectorsSmoke Each Mounted SmokeCo Wall WallCeiling

Smoke alarm Single button for testing and silencing Smoke detection technologies Latching alarm indicator, identifies which unit initiated an alarm Perfect mount allows for easy installation Meets new construction requirements Product Type: Smoke Detector Orientation: Wall/Ceiling Mounted Power Source(s): Battery Mounting: Wall 9 Volt battery back up 120 Volts 9120B 2 PACK Single button for testing and silencing|Latching alarm indicator, identifies which unit initiated an alarm|Perfect mount allows for easy installation|Meets new construction requirements