About this item

• Fire & CO detector in 1 unit with alert modes, LED lights, & voice alarm, that states, "Fire! Fire!", "Warning! Carbon Monoxide!", or "Low Battery!"
• Ionization sensor technology - smoke detector detects invisible fire particles, 85 decibel alarm alerts of fire
• Protects during a power failure - combo smoke and CO alarm operates on 2-AA batteries
• Test-Hush Feature - silences the unit for approximately 8 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling