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.

“This product has been discontinued with replacement part available. Please review sku# 112310 as an alternate solution”.