["C smart" series] Use it with Type-C powered "C smart" switch sockets and other devices, eliminating the need for data cables and making your home tidier. Easy to install, modular assembly, and can be freely customized. [Optimize signal quality and range] By transmitting stable ZigBee signals and extending the signal coverage to 50m, it can effectively solve the control problem of signal obstruction due to long distances between ZigBee smart devices. (It is recommended to purchase multiple ones and install them in various places with weak signals to create an unobstructed whole-house network) [PA amplifier] With faster transmission speed, the signal is more stable. The output power is up to 20dB. [Compact and Mini] 5.9x3.5x1.2cm mini size, lightweight and convenient, does not take up much space. [A variety of functions] 1. Signal view: Monitor signal status in real time. 2. Voice control: It can be easily controlled by voice through Amazon Alexa and Google Home. 3. Offline reminder: Our smart switches also have a device offline reminder function, which can help users understand device status in a timely manner, improve device management efficiency, and effectively prevent device failures. 4. Device sharing: Through the device sharing function, every family member can easily enjoy the convenience of the smart repeater through his or her mobile phone. Type-C input:DC5V 1A Output power:20dB Indoor distance:20-50m Outdoor distance:Greater than 300m (open area) Working temperature:-10℃-55℃ Working humidity:10%-90%RH Wireless protocol:2.4GHz 802.11b/g/n, Zigbee3.0 Precautions: 1. This product needs to be used with a Zigbee gateway. It is recommended to purchase the "C smart" series of multi-mode gateways, which require no data lines and are more stable when used together. 2. It