[Notes] An Aqara Hub is required and sold separately.(Not compatible with hubs from other brands.)Requires a secure 2.4GHz Wi-Fi connection for Hub M2, M1S, E1, M1S Gen2, G2H Pro, and G2Hor 2.4/5GHz Wi-Fi for Camera Hub G3.(Hub M2 also supports wired Ethernet via RJ45.)(*Note: To ensure a stable connection, place the Door and Window Sensor main unit between the accessory unit is no more than 22 mm )[Proximity] For a sturdy connection, ensure that the Aqara Door and Window Sensor is within 400 inches of the Aqara Zigbee hub, and the hub is within the same range from the Wi-Fi router.Additionally, make sure the hub and the router are on the same local area network (LAN).Zigbee2MQTT and comparable third-party USB dongles are not officially supported by Aqara.Full product functionality may be limited or unavailable.[Unauthorized Entry Detection & Home Automation] The Zigbee Door Sensor alerts your phone and triggers the Aqara Hub's local alarm upon unexpected door/window openings.It also controls other Aqara devices based on door/window status.Conveniently check your door or window, kids room and anywhere you want to be notified.***Requires Aqara Hub,not third-party hub.[0.86 Inch Wide Gap Allowed]The Aqara Door and Window Sensor works with most types of doors, windows, and other fixtures with similar mechanism, such as drawers, cabinets, and more.(Note: Please ensure that the surface where you plan to stick the Aqara Zigbee Door and Window Sensor is flat and easily adhesive, and the allowed gap between the door is up to 0.86 inch.)The main sensor unit dimension:1.61*0.87*0.43 inch, the magnet dimension:0.79*0.39*0.39 inch.[Hands-Free Voice Control]Compatible with Apple HomeKit, Alexa for a hands-free experience.- no need to go downstairs or pick up your phone again.You'll always know whether your home door is opening or closing (The Aqara Door and Window Sensor is not compatible with SmartThings currently.)

Support Apple HomeKit & Alexa

Door and Window Sensor is compatible with Apple HomeKit and Alexa.Highly compatible, Door and Window Sensor can connect with countless smart devices in the world to create your ideal smart home lifestyle.

* Aqara Hub is required to enable this product to work with HomeKit technology.

A Smart Sensor for Every Door and Window

For an added peace of mind, install the Aqara Door and Window Sensor so you will never have to worry about the status of your doors and windows.

Turn On the Lights Automatically When You Open the Door at Night

When you open the door in the evening, the Aqara Door and Window Sensor will send a signal to the Aqara Wall Switch to turn on the lights.No matter how late you get home, the lights will automatically turn on.

· Does this Zigbee door window sensor come with a hub? No, the Aqara hub is required and sold separately.

· Which hub are this door and window sensor compatible with? The Aqara door and window sensor is only compatible with Aqara brand hub, not third-party hub.

· How can I ensure a stable connection for the Door and Window Sensor ? To ensure a stable connection, place the Door and Window Sensor main unit between the accessory unit is no more than 22 mm .And make sure the Door and Window Sensor and the router are connected to the same local area network (LAN).