Carbon Monoxide Detector With 10-Year Battery

The Kidde 10-Year Worry-Free Battery Carbon Monoxide Detector for Home. Model COB10 features a 10-year worry-free battery with no wiring required. It includes an advanced electrochemical sensor to detect dangerous levels of CO. With no low battery chirps at night your sleep is uninterrupted, plus the test-hush button allows you to test the battery functioning as well as temporarily silence the low battery chirp warning. UL Certified with a 10-year limited manufacturer’s warranty.