https://eovardo01.bigcartel.com 108162660 Carbon Monoxide Detector, Propane, Natural, Methane, & Explosive Easy Installation - simply plug-in to a standard, 120V outlet in your home 9-volt battery backup provides protection during a power outage Digital LED display shows the level of carbon monoxide the CO alarm is sensing or states "GAS" when explosive gas is present 85-decibel alarm announces when carbon monoxide or explosive gas is detected Peak Level Memory records the last time carbon monoxide was detected or when the unit was last tested Test-Hush Button makes testing the detector or silencing false alarms easy Extension cord (included) allows for placement on a table or shelf UL listed with a 5-year limited manufacturer warranty on the alarm only (not a battery performance claim). Warranty begins when the alarm is powered on. If that date is unknown, it should be assumed that replacement is needed. 45.99 USD https://eovardo01.bigcartel.com/product/carbon-monoxide-detector-propane-natural-methane-explosive https://assets.bigcartel.com/product_images/386580738/95.webp 108162660 new in stock 108162657 Kidde Carbon Monoxide Detector, Plug In Wall with AA Battery Backup Easy Installation - simply plug-in to a standard, 120V outlet in your home 2-AA battery backup provides protection during a power outage 85-decibel alarm announces when carbon monoxide is detected Peak Level Memory records the last time carbon monoxide was detected or when the unit was last tested Test-Hush Button makes testing the detector or silencing false alarms easy End of life chirp notifies you when the alarm needs to be replaced UL listed with a 10-Year limited manufacturer warranty on the alarm only (not a battery performance claim). Warranty begins when the alarm is powered on. If that date is unknown, it should be assumed that replacement is needed. 25.99 USD https://eovardo01.bigcartel.com/product/kidde-carbon-monoxide-detector-plug-in-wall-with-aa-battery-backup https://assets.bigcartel.com/product_images/386580729/96.jpg 108162657 new in stock