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 or 50m and outdoor 656ft or 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 or 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.