Wifi Door/Window Sensor iSB04
*Color: White
*Material: Plastic
*Product Type: Personal Security Alarm
*Packaging Type: Boxed
*Battery Size: AA
*Built in Wi-Fi module for wide range of coverage - Receive alerts on your smartphone when door or window in home is opened or closed -   Battery operated for ease of placement at critical entry points in your home (batteries included) -   Sensor can beep when door or window is opened (enable/disable in app)