5 in 1 Carbon Monoxide Detectors Plug in with Temperature Humidity Sensor Built in Battery Backup, Natural Gas Leak Detector with Clear LED Display Sound & Light Warning for Home/Hotel,1Pcs, Black.
¡¼Battery Backup¡½Easy To Install (No Wiring Required); Backup Battery Supports Up To 7 Hours During Power Failure (Batteries Not Supplied).
¡¼ Quick Response ¡½Green LED Indicates Power/Safe Status; Red LED Alarm Triggers At CO ¡Ã 150 PPM Or Natural Gas ¡Ã 5% LEL/Danger.
¡¼Friendly Reminder¡½Performs Automatic 180-Second Self-Check When Powered On-Do Not Interrupt Process.
¡¼ Applicable Scenarios ¡½Chemical Plants, Gas Stations, Pharmaceutical Factories, Recreational Vehicles (RVs), Camping Sites, Homes Basements, Garages, and Many Other Places.
