Please Note: XP0A-SR is a basic standalone unit; it does not support wireless interconnection, does not have Wi-Fi, and cannot be used with a base station;for Wi-Fi functionality, look for XP0A-MR

Talking Alarm: Immediately understand the danger thanks to a voice alert that sounds in conjunction with the siren; the built-in speaker delivers warnings specific to the detected danger type, such as "Warning! Smoke detected. Evacuate." or "Warning! Carbon monoxide detected. Move to fresh air."

2-in-1 Protection: Get full protection from a single alarm—the photoelectric and electrochemical CO sensors which work independently to instantly warn you of dangerous smoke or CO levels; keeps your family protected against 2 deadly threats with less hassle; peak CO concentration memory is supported and can be reset to "0"

10-Year Lifespan: Heat-resistant PC material and 10-year sensor life offer reliable performance for up to 10 years; the replaceable CR123A battery lasts up to 5 years

Handy voice alerts keep you easily and quickly informed of important information such as emergencies, battery status, faults and lifespan; understand what’s going on without digging out the manual so you can take action quicker and keep your family safer

Sleek Design: Only 1.2 in (30 mm) thick, this ultra-thin alarm blends in anywhere; the 5.3 in (135 mm) diameter mounting bracket perfectly covers the hole left by your old alarm

Quick to Install: Quickly and easily install this smoke and carbon monoxide alarm on any wall or ceiling with the provided mounting kit