Ewelink Smart Home Zigbee Window Door Sensor Open/Closed Sensor Detector Security Alarm Protection Work with Alexa Google Home Electric window opener 1) Real-time perception of temperature

1) Real-time perception of temperature and humidity changes and real-time report to your smart phones with eWeLink App supported

【Real time monitoring and recording】for WiFi Version

Standby time:≥12 months

Multiple people control one / One person controls more than one

This helps eliminate "RF dead-spots" and ensures reliable communication between devices

Ewelink Smart Home Zigbee Window Door Sensor Open/Closed Sensor Detector Security Alarm Protection Work with Alexa Google Home Electric window opener 1) Real-time perception of temperatureeWeLink Smart Home ZigBee Window Door Sensor Open Closed Sensor Detector Security Alarm Protection Work With Alexa Google Home