Product details:
Backlit digital display with test and silence. Covers only one wall outlet. Plug the alarm into a regular outlet, test, and it's ready. Battery back-up keeps alarm working if electricity fails. Point and click any remote control unit to quiet unwanted alarms (remote not included). With a line cord for high mounting to sense methane, low mounting for propane. End of life timer alarm chirps when it is time to replace, should be replaced every 5 years for maximum protection. 85-decibel alarm. 3.1 inch height x 5.6 inches width x 2.1 inch depth, 0.62 pounds. Meets UL1484 and UL2034 gas detector standards.