Ewelink Zigbee Door Sensor Wireless Magnetic Window Open Closed Alarm Detector Works With Zigbee2MQTT Alexa Google Need Gateway

Zigbee gateway is needed!

Specification
Power supply: Battery CR2032 3V DC(included)
Communication: Zigbee 3.0
App: eWelink​
Detection accuracy: ≥5mm
Size: Main body: 50*25*11mm;Permanent magnet: 30*14*11mm
Operating temperature: -10 °C~45 °C
Life of battery: 1.5 years (General use, 10times per day)

Package Content
1* Zigbee Door Sensor
1* User Manual
1* Reset Pin
1* Double-sided Sticker
1* CR2032 Battery