• Fire & CO Detector in 1 unit with alert modes, LED lights, & voice alarm, that states, "Fire! Fire!", "Warning! Carbon Monoxide!", or "Low Battery!"
• Photoelectric sensor technology - hardwired smoke detector detects visible fire particles, 85 decibel alarm alerts of fire
• Protects during a power failure - combo smoke and CO detector operates on a 120V power source with 9V front-loading battery backup
• Test-Hush Feature - silences the unit for approximately 8 minutes; tamper-resistant technology deters removal of the unit from the wall or ceiling
• Digital Display

Packaging has been opened. Looks and appears to be new and unused. Excellent condition. Unable to test. Everything included with this item can be seen in the images. See pictures for product condition.