2-20A RC Model High-current LED Switch 3-30V Launch PWM Signal Controller Specifications: Switch positive terminal: Off when below 1.5 milliseconds; on when above 1.5 milliseconds. Operating indicator light: Slow flashing LED indicates no output; steady LED indicates output! Operating voltage: 3.0V–5V (low-voltage version); 3.0V–30V (high-voltage version) Output current: 2A (low-voltage version); 20A (high-voltage version) Product Dimensions: 14 x 11mm (Low-Voltage Version); 20 x 13mm (High-Voltage Version) Product Weight: 3g (Low-Voltage Version); 5g (High-Voltage Version) Controlled by a two-position switch on the remote control Package Includes: 1 x Control Switch Note: The product requires DIY connection; it is recommended that this be performed by a professional. Thank you!