Wireless Zigbee Contact Sensor for Home Assistant & Alexa-compatible Devices

4PCS SONOFF Zigbee Door and Window Sensor/Contact for Alarm or Automation

SONOFF Zigbee Door Window Sensor,Smart Home Automation Door Contact Alarm 4 Pack

4 Pack SONOFF Zigbee Wireless Door Window Sensor, Home Window Door Contact Alarm

4PCS SONOFF Zigbee Door and Window Sensor, Window Door Contact Alarm App Control

SONOFF Zigbee 3.0 Door and Window Sensor, Smart Home Security Door Contact Alarm

SONOFF Door and Window Alarm Sensor Zigbee Door Magnet for Smart Home Automation

SONOFF Zigbee Wireless Door and Window Sensor, Smart Security Door Contact Alarm