Highlights

• Compact Zigbee contact sensor with hall-effect magnet, designed for doors, windows, or cabinets.
• Runs on a CR1632 coin cell (≈2 years) and operates down to -10 °C for colder climates.
• Reports open/closed state instantly and pairs with Aqara hubs or ZHA coordinators; community bridges can relay events via MQTT if needed.

Ideal for battery-powered automations such as lighting triggers or security alerts when paired with Home Assistant.

Use ZHA with a Zigbee coordinator or the legacy Xiaomi Aqara gateway (LAN mode required). Community MQTT bridges (e.g., Zigbee2MQTT) remain possible but need separate setup.