Fangrui Product Details : 1.low-cost Zigbee Signal Solution:performing Well To Solve The Distance Problem Among Tuya Zigbee Smart Devices By Mitting Stable Zigbee Signal. 2.expand Signal Coverage To 15-20m With Tuya Smart App Added:no More Worry About Distance Problem For Signal Interrupt. 3.only One Hub Required:effectively Connect The Tuya Zigbee Gateway And Other Zigbee Terminal Devices Beyond The Effective Control. Support Device: Support Routing Function; Work With Tuya Zigbee Gateway Work With Ewelink Sonoff Zigbee Bridge; Work With H-u-e Bridge Work With Smartthings Hub; Work With Home Assistant Zigbee2mqtt Tasmota Specifications: How To Enter Pairing Mode : 1) , The Repeater Is In Pairing Mode Default (led Flashes) 2) , Press The Cfg Key Entil Led Flashes Will Enter Pairing Mode 3) , Power Off And Power On For 5 Times Led Flashes Will Enter Pairing Mode Notes: 1. Zigbee 3.0 Extender Needs To Be Used With Zigbee Hub. 2. This Device Uses The Smart Light Switch -1 Gang As A Zigbee Router To Achieve The Function Of