First Alert CO710 Carbon Monoxide Alarm With Digital Display, White default-free-over-35-international-restrict For larger openings wider than

For larger openings wider than 24" smaller openings or can be expanded to fit openings up to 6' wide

Simple 3 step installation process

so it is ready to power your phone whenever you need to stay connected

packing and moving

1 locking cylinder

First Alert CO710 Carbon Monoxide Alarm With Digital Display, White default-free-over-35-international-restrict For larger openings wider thanHighlights: Alarm Type: Audible Beep Color: White Dimensions: 0. 94 in L x 4. 75 in W x 2. 63 in H Display Type: Digital Includes: Battery Power Source: Battery Power Supply: 3 V Sensor Type: Electrochemical Sound Level: 85 dB Advanced electrochemical CO sensor Stylish design with LED temperature display Built in 10 years battery for a decade of detection Multi function, backlit digital display Peak level feature retrieves the highest concentration of