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

EWelink ZigBee Door & Window Sensor — requires a ZigBee Wireless Hub to operate. Once linked to a hub, the sensor provides realtime remote monitoring and will push notifications to your smartphone whenever it detects external objects or animals near a door or window. Battery powered for low power consumption; the unit uses hall sensing technology, includes tamper protection and supports a low battery reminder. Installation is simple with the supplied double-side tape — just stick it where you need added security. It can be integrated with other smart devices to create automated responses and a fuller smart-home security setup, and supports monitoring through the EWelink app as well as compatibility with Mqtt, Smart Things Hub and Alice.