This is a hub that connects to a variety of intelligent products, as well as a control center for intelligent homes, which plays an irreplaceable role for all intelligent products. Features: 2 in 1 Gateway have combine zigbee and bt gateway into one device Press the button until the white light and blue light flash alternately, connect to the mobilephone. Control sub device under the gateway anywhere and anytime via Mobilephone APP. Simply give a voice command to Alexa or Google Home to control your devices. Freely combine gateways and different products to easily realize the automation of intelligent 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. Specifications: Color: white Working temperature: -20 to 45 Input: 5V/1A Working humidity: 10-90RH (non-econcretion) Storage temperature: 5 to 30 Storage humidity: 30-70RH Item size: 100 * 85 * 23mm / 3.9 * 3.3 * 0.9in Package size: 110 * 107 * 28mm / 4.3 * 4.2 * 1.1in Package weight: 119g / 4.2ounce Packing List: 1 * Zigbee Gateway