Hint: (1).The red light flashes quickly, the blue light flashes or is always on - pairing status. (2). The red light flashes slowly, the blue light flashes or is always on - you need to press and hold the reset button until the red light flashes quickly to enter the pairing state. (3). Steady red light, flashing blue light - search for sub-devices. (4). Red light is always on, blue light is off - normal working state. (5). Red light is always on, blue light is always on - crash, need to power off to reset. Description: Tuya's ZigBee smart wireless gateway supports 2.4G WIFI network direct connection, and the device communication network is ZigBee HA 3.0 Product function: Doctrine is used with ZigBee series products of the graffiti solution, including switches, sockets, sensors, door locks, electric curtains, universal infrared remote controls, etc. Please note that any ZigBee product needs to be used with a gateway, and our company's model is the lightest mini and easy to install. The currently accessible devices support about 30-50, which is enough for small houses or apartment buildings. The biggest advantage of the product is that it does not need to be connected to the network cable, it is plug and play, and it can be placed in any place with a socket to be powered on and used for networking. Specifications: Product name: ZigBee Smart Wireless Mini Gateway (Tuya Version) USB port current input: 5V/1A, Working temperature: -10-55 Working humidity: 10%-90% RH Wireless protocol: ZigBee HA 3.0 wireless protocol 2.4G WIFI