Description: Turn ordinary non intelligent electrical appliances or equipment into intelligent; Mobile application control: the on-off, timing, countdown and other functions of the device are controlled through the mobile phone. Voice control: support For Tmall audio and other voice assistants to realize switching and other functions. Remote control: you can realize the remote control of the lamp through your mobile phone. No matter where you are on the earth, you can control it as long as your mobile phone can be connected to the Internet. Network technology: a mobile phone can control multiple switches, and a switch can be controlled by multiple mobile phones at the same time. Group control: lights can be grouped to achieve unified control (synchronous switching, timing, etc.). Specification: Input voltage: 90-250v AC 50 / 60Hz Maximum current: 10A Connection: WIFI+ Bluetooth +RF433 Size: 5.9 x 5.3 x 2.8cm/2.32 x 2.08 x 1.1inch 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!