The Nous E3 door/window sensor is a battery-operated, wireless sensor using the Tuya Zigbee smart home protocol. Based on its alerts, it can control other Tuya Zigbee devices or Tuya WiFi devices through a Tuya Zigbee Bridge.
A Nous or other brand Tuya/SmartLife Zigbee gateway or coordinator is required to integrate it into the smart home system.
