Product parameters: Power input: 5V1A Operating temperature: -10 inches-55 inche Working humidity: 10%-90% RH (non-condensation) Wirele Technology: 2.4G WIFI & Zigbee 3.0 & BLE5.0 & Mesh Dimension: 64*64*16mm Tuya Multi Mode ZigBee Bluetooth Gateway Hub Wirele Smart Home Appliances Remote Controller Bridge Support Alexa Google Home PRODUCT PROPERTY: The communication method of our product is zigbee.The compatibility is all compatible.The state of aembly is ready-to-go. Zigbee tuya home automation gateway: enjoy zigbee home automation with multiple functions. Zigbee bridge bluetooth: equipped with a zigbee bridge, you can easily connect to the bluetooth enabled device without having to disconnect the interface. Smart bluetooth gateway: the zigbee home appliance is equipped with smart bluetooth and can be connected to your smartphone, tablet or other devices via bluetooth. Bluetooth: wirelely stream music from your smartphone, tablet or other devices with the built-in usb cable. Suitable for many places: zigbee gateway is suitable for home, office, living room, bedroom, kitchen, bathroom, etc. it can also be used as a gift to your friends and family. Voice control: the zigbee app allows you to stream your favorite apps, such as alexa, google aistant, and more with ease. BUYER SAYS:Smaller than i thought, and works as described :) no problem with connecting to smart life. Super quick