Signal relay: The repeater can receive signals from the router and amplify them to cover a larger range. Whether at home or in the office, signals can be extended to various corners through repeaters. Networking function: repeaters support networking function, which can connect multiple repeaters together to form a smart home network covering the entire house. This enables relays to easily meet the needs of large residential or office spaces. Signal extension: The repeater has excellent signal extension function. It can extend the signal, ensuring a stable connection even in areas with weak signals, allowing you to enjoy a smooth network experience no matter where you are at home. Plug and play: No need for complex settings or programming, just plug the relay into the power supply and it can be easily used. It will automatically establish a connection with your router and provide you with the highest quality network services. Full house coverage: With the powerful functions of the repeater, you can cover every corner of your home with signals. Whether it's the bedroom, living room, kitchen, or bathroom, you can enjoy stable internet connectivity. Product Name: Ewelink ZigBee Repeater Power input:5V1A working voltage:1.8V-3.8V working temperature:-10-50 Working humidity:95% (non condensing) working frequency:2.400-2.483 GHz Wireless protocol:ZigBee3.0 Colour:White& parent Material:PCB+Plastic Package Contents: 2 x Ewelink Zigbee 3.0 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.