First Alert® CO615B Plug-in CO Alarm Batt Ba

The First Alert Cat. Nos. CO600B, CO605B and CO615B are direct plug-in, 120V AC, 60Hz single station carbon monoxide alarms 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. CO600B, CO605B and CO615B comply with UL2034, NFPA 720 and other agencies that model their codes after the above agencies. CO600B meets codes where plug-in AC carbon monoxide alarms are required. CO605B and CO615B meet codes where plug-in AC/DC carbon monoxide alarms are required. CO615B meets codes where digital display alarms are required. First Alert CO600B, CO605B and CO615B feature an electrochemical CO sensor, an 85dB horn, a single button for test/silence and an LED power indicator. For First Alert CO605B & CO615B battery backup alarms, 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. First Alert CO615B also features a backlit digital display that shows visual confirmation of CO levels and has Peak Level Memory. Light illuminates only when any button is pressed or unit is in alarm. CO600B is designed to be plugged directly into a standard non-switched outlet. CO605 & CO615 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.