Smart WiFi Door Sensor
sku# WT06
The Vivitar WiFi Door Sensor will help keep unwanted burglars away without the cost of a full home security system. Just set a time that you don't want your door to open after and if it does get broken into to it sends alerts to your phone immediately, using both iOS and Android devices. No monthly fees, lifetime cloud service included. Requires (2) AAA Batteries (not included).