TWO ADEMCO/HONEYWELL 5800CO WIRELESS CARBON MONOXIDE DETECTORS NEW!!! NEW IN THE BOXES! Ideal for hard-to-wire locations, situations where aesthetics are critical or where hazardous materials exist Built-in sounder provides an audible annunciation during alarm, trouble and low battery conditions Two easily visible LED's: Green to indicate power and sensor presence and Red to signal sensor trouble, alarm and low battery Features a test switch that can be used to check c