Features: brand new and high quality Small USB mini design ensures its low cost but functional feature,performing well to solve the distance problem among Tuya ZigBee for smart devices by transmitting stable ZigBee signal,which effectively solves the controlling problem caused by blocked signal under one Tuya ZigBee hub only for various devices over long distance. No more worry about distance problem for signal interrupt,this ZigBee repeater can expand its signal coverage to 15-20m,and no more need to purchase another hubs with high cost,easily add the USB repeater into for Smart Life APP into your Tuya ZigBee hub. Effectively connect the Tuya ZigBee for gateway and other ZigBee terminal devices beyond the effective control area of for gateway to realize relay networking by the ZigBee repeater,which just can not be directly used as a ZigBee hub for adding ZigBee devices,please confirm there is one Tuya ZigBee hub in your house before purchase. Diffuse network signals, realize flexible and smooth operation of ZigBee network, and ensure full coverage of for smart home system signals for real-sense whole-house intelligence by ZigBee protocols.Indoor use recommended, if the signal needs to pass through multiple solid walls, it is advised to increase the number of repeaters according to the actual situation. USB straight-in style design ensures its simple installation,suitable well for home,offices,engineering project scenarios where many for smart devices located. Specifications: Material:ABS Size:Approx.38.85x21.5x8.5 mm/1.53x0.84x0.33 inches Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Signal Repeater