Kidde Smoke & Carbon Monoxide Detector, Lithium Battery Powered, Voice Alert

CO detector with voice alert modes & LED lights that pulse for power, CO detection, & low battery Photoelectric sensor technology - smoke detector detects visible fire particles, 85 decibel alarm alerts of fire Protects during a power failure - combo smoke and CO alarm operates on a 10-year, sealed lithium battery Low battery warning feature indicates when the battery needs replacement Interconnect Voice Alert Open Box | Looks and appears to be in great condition. Unable to test. Everything included with this item can be seen in the images. See pictures for product condition.