More Safe And Easy to Control Smart Device on the APP. Gateway mission via solution, will be more faster between gateway and smart device. Smart wireless gateway supports 2.4G WIFI network direct connection, and the device communication network is 3.0. Product function: Doctrine is used with series products of the graffiti solution, including switches, sockets, sensors, door locks, electric curtains, universal infrared remote controls, etc. Please note that any product needs to be used with a gateway, and our companys 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. Colour:white Material:PC Size:70 x 70mm Package Contents: 1 set * smartthings hub Only the above package content, other products are not included. Note: Light shooting 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.