Wireless Remote Control Switch, Battery-Free, Mini Size Receiver, Range 200 m, Radio Transmitter 433 Mhz, Kinetic Energy, On/Off Wall Control for Lighting

Work without battery: The remote control is self-powered by kinetic energy and does not require batteries to operate. This function saves you energy bills. Long control distance: The control distance is up to 30m indoors and 200m outdoors. Control is effective even through walls. Voltage: 85-265V AC. Power to control: 2500W max. Mini size: This receiver is designed in mini size to facilitate installation in a narrow place, behind a socket for example. Size: 4.3 x 4.8 x 2.2 cm. It occupies a small space and is easy to hide. Easy installation: You can install this switch kit without any work or wiring, and without damage to the wall. And it does not pose any danger during installation or use. 10 possible control: The receiver can be paired with up to 10 remote controls. It is possible to control the lamp/device by 10 remote controls respectively. Service life is more than 10 years. It is a safe and practical product for children and the elderly.