The radio frequency remote control uses 433MHz frequency technology for stable signal transmission. It operates on DC8-15V power supply, compatible with 12V input and output. The wireless RF switch offers a remote control range of approximately 20 meters, capable of working through walls.Ideal for various electrical control applications including electric doors and windows, signal control, industrial machinery, lifting equipment, 12V battery systems, low-voltage DC power switches, DC LED lighting, and low-voltage power systems.Specifications: Operating Frequency: 433MHz Supply Voltage: DC8-15V Working Voltage: 12V Standby Current: 7mA Working Current: 130mA Load Capacity: 40A peak, 350W Color: White + Black Material: Plastic + Metal Size: 8.1 x 5 x 3.2cm Package Includes: 1 x Remote Control Switch 2 x Remote Controls Note: Only the items listed are included. Other accessories are not part of the package. Due to lighting and display differences, actual product color may vary slightly from images. Measurement tolerance is +/- 1-3cm.