Wireless Light Switch Kit which includes 1 gang Switch in White Body and a 100W RF+WiFi Dimmable Receiver – Simple and quick installation, wireless and battery-free switch, long range receiver, highly energy efficient, APP & Voice Control Easy to Install: Wireless switch allows you to control any light across the entire house wirelessly. Instantly create a switch at any location without running new wires and tearing walls. Save huge labor and material cost compared with traditional wall light switch. (3M tape provided for easy installation) Dimmable: Not only a switch but a dimmer. Long press to circularly dim the brightness to suit any activity. Turn on the light again, and it maintains the last light intensity. No need to pay extra money to buy a dimmer. Timer function: Set up the smart wifi light switch to automatically turn the electronics on and off based on your schedule time from the APP. Helps you become more energy efficient, avoids unnecessary standby power consumption, saves electricity costs and extends the life of the lighting. Two Way Control: Can use multiple switches to control one receiver & vice versa. Thereby saving you a lot of money on labor cost for wiring Kinetic Energy: The switches is not only wireless but you also dont need to worry about changing batteries ever as the power is generated from kinetic energy