Attention! This device uses the Zigbee protocol, not WiFi. A Zigbee Hub is required to control the device. You can purchase from us or anywhere else.

https://evismart.com/en/shop/smart-home-evismart/hubs/

EviSmart wireless door opener sensor: - Works with ZigBee. - Powered by 2 AAA batteries (included). Work in standby mode 8-10 months. - When you open the door, the sensor will send a signal, you can set up as a notification on your phone, as a sms, as a call to the phone, you can configure the notification came only at a programmed time. Actions of the sensor is displayed in the program, you can see when and at what time was the opening of the door. - With a sensor you can use other devices to create clever scenarios, for example when you open the front door, hallway light turns on. - Connection with one button, easy to configure.