Note Before Order!Tuya ZigBee 3.0 Extender need work with Tuya ZigBee Hub, please make sure you already have a Tuya ZigBee Hub, This ZigBee repeater can't work with other ' ZigBee Hub, please make sure your ZigBee Hub is from Tuya. This repeater only can transit Tuya ZigBee signal, it can't work alone without Tuya ZigBee Hub. App Name: Tuya or Smart Life Wireless Protocol: Tuya ZigBee 3.0(can just work with Tuya ZigBee Hub, it can't work with other ' Hub) Extend Distance: 20~30 meters Interface Type: USB interface Power Input: 5V 1A The zigbee repeater can extend the signal of the zigbee gateway, make devices far away from the gateway work stably. Just plug in the power adapter with USB port and it will work. Tips: The product may be updated constantly, The Actual Product May Have Slight Differences Or Color Differences the color and appearance may be changed, please don't mind. And take a consideration before place the order if you have request for color or appearance. Colour:White Material:plastic Package Contents: 1 x ZigBee 3.0 Signal Repeater Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.