Tuya Smart Home ZigBee 3.0 Signal Repeater USB Extender Mini Signal Range Amplifier Work With ZigBee Gateway Hub Smart Life Feature:1) Tuya Smart Zigbee Signal Amplification Repeater Tuya Enhanced Amplifier Repeater, which aists Tuya Zigbee gateways and equipment to enhance signal coverage distance 20-30M2) A miniature intelligent valve developed by Tuya Intelligent, which consists of a highly integrated WI-FI module, a low-power Zigbee module, and a PCBA. Can be connected to Tuya Smart APP for device addition, reset, third-party control, Zigbee group control, to meet the needs of smart home3) Zigbee sensor and zigbee detector cannot work without zigbee gateway4) The gateway needs to be connected to a WI-FI router to use, Zigbee sensors and detectors cannot work independently without a gateway5) If your house is too big, then the zigbee signal will not be able to cover every corner, then you can use this Zigbee signal repeater. The repeater can only relay zigbee signals. Transmiion signal strength depends on the actual houseSpecifications:color: WhiteMaterial: PC+ABSWorking voltage: 5V 1AOutput power: 10dBWorking rate: 2.400~2.483GHOutdoor: Straight line unobstructed distance > 300mOutdoor: Straight line unobstructed distance > 30mRepeater: Theoretically supports signal jumping between 30 repeatersOperating temperature: -10C~50CWorking humidity95%RHNetwork distribution method: ZigBeePacking list:1*ZigBee Repeater1*InstructionNotice:Please allow 1-3mm difference due to manual measurement.Due to different displays and different lighting, pictures may not show the actual color of the item. thanks for your understanding