Door & window sensor connects to your existing Wi-Fi network and alerts you whenever a door or window equipped with the sensor is opened or closed. Works with the Brookstone app to send alerts to a phone or other device. Features a long battery life. Requires (1) 3V lithium CR2 battery, included.
|Country of Origin||China|
|Batteries Required||3V Lithium CR2 (Included)|
|Width||Main Body: 21mm/Small Body: 11mm|
|Height||Main Body: 71mm/Small Body: 40mm|
|Depth||Main Body: 22mm/Small Body: 11mm|
WARNING: Cancer and Reproductive Harm.www.P65Warnings.ca.gov