Fangrui Product Details Features: 1. A Gateway Can Connect Multiple Indicators 2. Wide Coverage, Strong Wall Penetration Ability, Strong Anti-interference Ability, 3. Use The Industrys High-level Encryption Method To Transmit Information On Wifi And Bluetooth Terminals To Network Communication Security And Prevent Malicious Intrusion. 4. Intelligent Control Of Bluetooth Devices On Smartphones Anytime, Anywhere 5. Suitable For Intelligent Multi-mode Gateway Zigbee Control Center Wireless Bluetooth Mesh Central Control Host Description: 1. Product Name: Smart Gateway 2. Power Input Dc: 5v/1a 3. Working Temperature: -0554. Working Humidity: To (non-condensing) 5. Wireless Technology: 2.4g Wireless Network Zigbee3.0/ble/sigmesh Size: 65mm X 65mm X 10.5mm Material: Abs Colour: White Package Contents: 1 X Usb Gateway 1 X Data Cable 1 X Chinese And English Manual 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 Pictu