Kidde smoke/CO combo detector. I have 4 of these at $30 each - price negotiable for multiple. Why am I selling? Replacing these with smoke/CO detectors connected to my security system.
-Hardwired to 120 VAC on your ceiling
-Battery backup
-AA batteries included
-Mounting brackets included
-Beeps and talks (says "Fire" or "Carbon Monoxide")
-Hardwire interconnect compatible (works with Kidde and other brands like First Alert)
-Expiration date 2032