Features: 1.No Rewiring: No need to break walls or rewire your home, expand your lighting system by simply installing a wall light switch by connecting the receiver between the power source and the lighting device. 2.Strong Signal: The self generating switch converts kinetic energy into electrical energy, and sends a wireless 433mhz strong signal to the receiver to control the lights on and off, and the strong RF signal can penetrate walls and doors. 3.Control Range: The wireless wall switch supports indoor 164ft / 50m and outdoor 656ft / 200m range, for best effect, it is recommended that you measure the distance between the switch and the receiver before installation. 4.Detachable Wall Switch: You can mount the light switch to any wall in the house, or just use it as a portable RF remote. The receiver is compact enough to fit in limited spaces such as canopies, distribution boxes, electrical boxes. 5.Wide Applications: Suitable for incandescent lamps, halogen lamps, fluorescent lamps, CFLs, etc., the power output of the device cannot exceed 10A / 1200W, 1000W tungsten lamps, 600W fluorescent lamps. specification:Item Type: Wireless Light Switch Receiver Kit Material: PC and Electronic Components Color: White Controller Parameters: Working Type: 86 Rocker Type Power Mode: Kinesthetic Energy Self Generating Operating Frequency: 433MHz Communication Mode: FSK, ASK Receiver Parameters: Working Voltage: AC110-230 (V) 50x60Hz Operating Frequency: 433MHz Standby Power: Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.