Features: Remote Control: Smartphone control all this wireless WiFi switch module with one click, no distance limitation. And you can also use the 433MHz RF remote control switch, which is convenient for the elderly and children. Timed switch: Timed countdown scene function makes your switch turn onoff automatically at the specific moments you set. Easily manage your schedule through your cell phone. Stable and reliable: WiFi signal coverage is wide, stable and reliable enough for any device connected to the hub to work properly. Easy to install: The mini wireless WiFi switch module is designed with small size. It can be installed between power supply and device, can be easily hiding in most electrical boxes or junction boxes, or can be screwed on the board. You can easily install it to control lights or plugs. There is no wiring requirement. Wide range of applications: the product can be used in homes, farms, factories, offices, laboratories, supermarkets, etc. You can remotely operate every device connected to the receiver, such as lights, lighting, ventilators, etc. via cell phone and wireless switch. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: ABS Size: 9.3*4.5*2.5cm Package List: 1 x Smart WiFi Wireless Switch