Aqara Door and Window Sensor, Zigbee Connection Wireless Mini Sensor, Work With APP HomeKit.

An Aqara Hub is required and sold separately. Requires a secured 2.4 gigahertz Wi-Fi network connection. Aqara Door and Window Sensor is compatible with Apple HomeKit and Amazon Alexa. Highly compatible, Door and Window Sensor can connect with countless smart devices in the world to create your ideal smart home lifestyle. Aqara Door and Window Sensor is compatible with Apple HomeKit and Amazon Alexa. Highly compatible, Door and Window Sensor can connect with countless smart devices in the world to create your ideal smart home lifestyle. An Aqara Hub is required and please connect the Aqara Door and Window Sensor to the Aqara hub before connecting to Apple HomeKit or enabling skills in Alexa. An Aqara Hub is required and sold separately. Requires a secured 2.4 gigahertz Wi-Fi network connection. Away from home mode: Smart linkage with other smart home devices. If someone breaks in, the bell will ring and the IP camera ( not included ) will take video. Aqara Door and Window Sensor, Install the Aqara door and windows sensor. So you will never have to worry about the status of your doors and windows. Please ensure that the surface where you plan to stick the Aqara Door and Window Sensor is flat and easily adhesive, and the allowed gap between the door is up to 0.86 inches.