If your house too big then Zigbee signal can't cover every corner, then you can use this Zigbee singal repeater. Features: It consist of a highly intergrated WI-FI module, low power-consuming Zigbee module, and PCBA. It can be connected to the Tuya smarts app for device adding, reset, third-party control, and Zigbee group control, meeting smarts home requirements. Assist tuya Zigbee gateways and devices to enhance signals. The coverage distance is 20-30m. USB Interface, you can plug it into most usb connector. Specifications: Working voltage: 1.8-3.3V Communication method: Zigbee Coverage distance: 20-30m Color: white Material: plastic Item size: 28 * 18 * 7mm / 1.1 * 0.7 * 0.3in Item weight: 28g / 1.0ounce Package size: 70 * 60 * 30mm / 2.8 * 2.4 * 1.2in Package weight: 30g / 1.1ounce Packing List: 1 * USB Extender 1 * Manual