Aqara Zigbee Mini Door & Window Sensor — Wireless Contact Detector (CR1632 Included), Under 1.6in, Compatible with Apple HomeKit, Mijia Gateway & Mijia App

Compact Zigbee contact sensor from Aqara designed to monitor doors and windows. Small, low-profile housing (under 1.6in) for discreet installation and reliable wireless detection. Battery lasts up to 2 years (CR1632 included) to reduce maintenance. Cross-platform compatibility: works with Apple HomeKit, Mijia Gateway and Mijia App, and can be used with Mi Home or Aqara Home when paired to an Aqara/MiHome hub. Immediate security responses — opening a door or window triggers hub alarms, sends app notifications, and can activate linked devices such as lights or cameras. Ready for smart routines and home automation: supports "Away Mode" scenes, occupancy simulation, and integration with other IoT devices to automate your home security.