[Optimize signal quality and range]By transmitting stable ZigBee signals, the signal coverage range is expanded to 50m, which can effectively solve the control problem of signal obstruction caused by long distance between ZigBee smart devices. (It is recommended to buy multiple and install them in various places where the signal is weak to create an unobstructed whole-house network) [PA amplifier]It has faster transmission speed and more stable signal. The output power is up to 20dB. [Multiple functions] 1. Signal viewing: Real-time monitoring of signal status. 2. Voice control: Can be easily controlled by voice through Amazon Alexa and Google Home. 3. Offline reminder: Our smart switch also has a device offline reminder function, which can help users understand the device status in time, improve device management efficiency, and effectively prevent device failure. 4. Device sharing:O120 Through the device sharing function, every family member can easily enjoy the convenience of smart repeaters through their own mobile phones. Type-C input: DC5V 1A Output power: 20dB Indoor distance: 20-50m Outdoor distance: Greater than 300m (open area) Operating temperature: -10℃~55℃ Operating humidity: 10%~90%RH Wireless protocol: 2.4GHz 802.11b/g/n, Zigbee3.0 Colour:As Shown Material:plastic Package Contents: 1 x tuya repeater 1 x adapter 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.