[Smart Home Controlling Center] - GW01 zigbee gateway,a controlling center for smart . It adapt tuya zigbee 3.0 protocol and can connect up to 45-200 smart home device base on zigbee protocol and Zigbee 3.0 protocol ,like zigbee smart socket,zigbee smart bulb,zigbee door sensor,zigbee Smart Thermostat,zigbee water detector,zigbee smoke detector [APP Control] - Gateway and zigbee smart home gadget connected with the gateway can be controlled via smartlife app on your phone and tablet anytime and anywhere. [Voice Control] - Zigbee device support voice control function can also be controlled via ,google home and yandex [Group & Scene Function] - zigbee product connected with the hub can be set in group to creat different scene:Leave Home Mode/Back Home Mode/Sleeping Mode/Dinner Mode/Raining Mode etc. Customize your smart and security system to your individual requirement. [Offline Device Notice] - When hub offline from internet,smartlife app will push message to notice you the offline condition. Make your home under normal protection all the time. Standby quantity:45 devices Coverage Distance:30 Meters Adaptor Output:5V 1A Working Current:Less than 1A Working Temperature:-10-55 ZigBee Protocol:802.15.4 Wireless Protocol:802.11 b/g Colour:White Material:Plastic Size:60x60x15mm Package Contents: 1 * Smart Gateway Hub 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.