Features : Using original IRF520 Power MOS, you can adjust the output PWM For drive up to 24V allows the load, such as LED lights, DC motors, miniature pumps, solenoid valves PWM dimming LED can be used to achieve stepless dimming, variable speed motor Specifications : - Size : approx. 3.2*2.5cm - Voltage : 3.3V, 5V - Ports : Digital Level - Output load voltage : 0-24V - Output load current : 5A (1A above need to add heat sink)