First Alert® Model CO600A is a direct plug-in Carbon Monoxide (CO) Alarm - no batteries required. Featuring an advanced electrochemical CO sensor, an 85dB horn and a single button for test/silence. Simple plug-in design works with 120-volt outlets. Loud 85-decibel alarm sounds when CO levels are elevated. Audible notice when it is time to replace alarm.

▪ 120V AC Plug-In Carbon Monoxide (CO) Alarm
▪ Electrochemical Carbon Monoxide (CO) Sensor
▪ End-Of-Life Signal (CO)
▪ Test & Silence Button
▪ 7-Year Limited Warranty
▪ Mfg #CO600A

Warranty Policy: All products sold are covered under the manufacturer’s warranty. For any warranty-related issues, please contact the manufacturer directly. For further warranty details or support, refer to the manufacturer’s warranty documentation provided with your product.