EWelink ZigBee Door & Window Sensor — Works with Mqtt, Smart Things Hub, Alice — App Monitoring, Easy Install

EWelink ZigBee Door & Window Sensor — a ZigBee Wireless Hub is required for operation. Receive real-time remote alerts on your smartphone whenever the sensor detects external objects or animals; to get notifications, keep the sensor paired to your ZigBee hub and monitor via the EWelink app. Battery-powered for low consumption, the unit uses hall sensing technology, includes tamper protection, and supports low battery reminders. Installation is simple with the supplied double-side tape—just stick it where you need to protect doors or windows. You can also link the sensor with other smart devices to create broader automated security scenarios.