Zigbee or 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 Home to control your devices. Quickly Define Your Smart Life Scene - Freely combine gateways and different components to easily 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 Coverage Distance:30 Meters Adaptor Output:5V DC or 1A Working Current:Less than 1A Working Temperature:-20-45 ZigBee Protocol:802.15.4 Wireless Protocol:802.11 b or g Colour:A:White Material:Plastic Size:100x85x23mm Package Contents: 1 x Smart Gateway 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.