GoveeLife Door Window Smart Sensor H5123, Group Control Multiple Devices

Home Automation: The smart sensor can control GoveeLife intelligent devices in the same space and other GoveeLife connected devices to indicate door or window changes.
Maximum Compatibility: The GoveeLife Smart Door Window Sensor supports 50 GoveeLife smart ecological devices. Add the GoveeLife products you have to your setup to enhance your experience. The sensor is more powerful with multiple GoveeLife devices connected.
Stable Connection: GoveeLife equipment (sold separately) and a 2.4 GHz Wi-Fi network connection are required. （Not support 5G WiFi) Keep an effective distance between the device and the product at 80m/265ft.