How does the gateway work? It is a mini Smart Gateway that Tuya develops. It consists of a highly integrated Wi-fi module, low power-consuming Zigbee module, and PCBA. It can be connected to the Tuya Smart APP for device adding, reset, third-party control, and Zigbee group control, meeting smart home requirements. Discovery Scenarios: 1. When you open/close the door, the light will be on/off automatically with scenarios setting among. 2. When you get up at night, the light will be on once PIR detect your movement for the linkage of the hub. Features: *A Must for All ZigBee Devices: This is a hub that connects to a variety of ZigBee smart Tuya products(like sensors, lights, switches, ect., maximum quantity is 50) and is the bridge, as well as a control center for smart homes, which plays an irreplaceable role for all ZigBee products. *Wide Compatibility: Not only Tuya WiFi products, but also ZigBee 3.0 smart products are compatible with the ZigBee gateway hub, allowing you to customize your systems depending on your individual needs and security requirements. *Tuya Smart App Remote Control: Adding devices, device reset, third-party control and group control to meet the needs of smart applications, are all supported by the hub. Simply use your smart phone to control remote security kit system connected to the hub anytime, anywhere. *Easy to Fit & Setup: The smart gateway hub is designed with absolutely no wiring required and an extremely quick simple WiFi setup, no professional technical skills needed. Mini shape, stylish craft, can be matched with any family style. *Stable and Reliable Wireless Networking: WiFi signal covers a wide range of areas that is stable and reliable enough for normal work of any connected devices to the hub. Specifications: Adapter Output: 5V 1A Protocol: IEEE 802.11b/g/n & ZigBee Wireless Connection: ZigBee WiFi Frequency: 2.4GHz APP: SmartLife/Tuya Total Number Connected: 50 Material: Superior ABS Working Temperature:-10°C~55°C Working Humidity: 10%-90% RH (no condensation) Item Size(L*W*H): 60*60*10mm Package Size: Approach. 10 * 10 * 3cm / 3.9 * 3.9 * 1.2in Package Weight: Approach. 62g / 2.2oz