[Zigbee/Bluetooth]-2 in 1 Gateway have combine zigbee and bluetooth gateway into one device [Gateway Connection]-Button until the white light and blue light flash alternately, connect to the phone [APP Remote Control]-Control sub device under the gateway anywhere,anytime [Vocie Control]-Simply give a voice to Alexa or Google Home to control your devices. [Quickly Define Your Smart Life Scene]-Freely combine gateways and different components to realize the automation of smart devices in the whole home [Group Control(scenario 1)]-Door sensor installed on the door, When opening the door automatically open the curtains and air conditioners [Group Control(scenario 2)]-When you get up at night, the light will be on oncePIR detect your movement for the linkage of the Gateway SPECIFICATION Standby quantity: 45 deviceS Coverage Distance: 30 Meters Size: 100 x 85 x 23mm Adaptor Output: 5V DC/1A Working Current: Less than 1A Working Temperature: -20-45 ZigBee Protocol: 802.15.4 Wireless Protocol: 802.11 b/g Color: White Material: plastic Package Contents: 1 x Smart Gateway Hub 1 x USB Cable 1 x User 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.