Showing results 1 – 8 of 8.
Add more sensors to your existing monitoring system Costco.com Item# 566319 & 605520, weatherproof.
Functional range of up to 400', Two Base Stations for multi-room monitoring
120-Volt AC/DC Hardwired Alarm. 9-Volt battery (included) continues protection in the event of a power outage.
Easily Fits Over a Standard Toggle Wall Switch, No Wiring Required
Includes batteries and optional wall mounts
Plug-In Carbon Monoxide and Natural Gas Alarm. Large, Bright Screen- Displays CO Level