Kidde Carbon Monoxide Detector with 10-Year Battery, Digital Display, 3 LEDs & Carbon Monoxide Detector, AC Plug-in with Battery Backup, CO Alarm with Replacement Alert

• Product 1: Digital display updates every 15 seconds to show the level of carbon monoxide the CO monitor is sensing Product 1: Still works during a power failure - carbon monoxide alarm operates on a long-life, sealed lithium battery Product 1: Easy installation and no battery fuss - CO alarm will automatically activate when attached to the mounting bracket Product 1: Carbon monoxide detector offers alert modes and 3 LEDs that signal to indicate power, CO detection, or low battery Product 2: CO detector alerts with a loud 85dB warning signal indicating dangerous levels of carbon monoxide in your home Product 2: Plug-in that still works during a power failure - 2-AA batteries (included) provide backup for your CO alarm in the event of a power outage Product 2: Easy & quick installation - plugs into any standard AC wall outlet Product 2: Purchase multiple alarms for whole-home detection - place 1 carbon monoxide detector on each level of your home & outside each sleeping area to help protect against poisonous CO gas, Manufacturer: Kidde