The First Alert CO605B is a direct plug-in, 120V AC, 60Hz single station carbon monoxide alarm specifically designed for residential and institutional applications including sleeping rooms of hospitals, hotels, motels, dormitories and other multi-family dwellings as defined in standard NFPA 720. CO605B complies with UL2034, NFPA 720 and other agencies that model their codes after the above agencies. CO605B meets codes where plug-in AC/DC carbon monoxide alarms are required.
First Alert CO605B features an electrochemical CO sensor, an 85dB horn, an End of Life feature, a single button for test/silence and an LED power indicator. For First Alert CO605B battery backup alarm, the front access battery door allows battery access without removing the unit from the wall. The low power warning indicator will cause the alarm to "chirp" when the batteries need replacing. The low power warning indicator can be silenced for up to 8 hours. CO605 can be plugged directly into an outlet or the line cord can be used to mount the unit to the wall away from the outlet. Mounting anchors and screws are included.