Description: Turn ordinary non-smart appliances or equipment into smart;Mobile App control. Control the switch, timing, countdown and other functions of the device through the mobile phone. Voice control. Support voice assistants such asTmall Wizard, , GoolHome, etc., to realize functions such as switches. Remote control. It can realize the remote control of the light by mobile phone, no matter where you are in the earth, as long as your mobile phone can connect to the network, you can control it. Networking technology. One mobile phone can control multiple switches, and one switch can be controlled by multiple mobile phones at the same time. Group control. The lights can be grouped to achieve unified control (simultaneous switching, timing, etc.). Specification: Size: 42x42x20mm / 1.65x1.65x0.78inch Material: PC Package Includes: 1 Piece Mini Smart Wifi DIY Switch Note: Please allow 1-3mm measuring deviation due to manual measurement. Due to the different monitor and light effect,the actual color of the item might be slightly different from the color showed on the pictures.Thank you!