Feature:1. Smart Control: Allows for a wide speed adjusting range from 0 to 100%, the brushed motor controller enables better control.2. Broad Utility: The PWM motor regulator can also be widely applied to the dimming of DC circuit to meet your various needs.3. Reliable Work: With a limit power of 1200W, the PWM control module ensures high efficiency, large torsion and low heat.4. Simple in Use: Just rotate the knob for simple adjustment, and the easy will largely save your time and labour in working.5. Easy to Install: Comes with a compact size and a light weight as well, the installation is very convenient to complete.Specification:Item Type: Motor Speed ControllerMaterial: PCB, aluminium alloy, ABSInput Voltage: DC12V-55VOutput Voltage: Linear under load. Output Current: 0-20A, within 10A for long term use, pay attention to keep the module unobstructed for heat dissipation. Limit Power: 1200WSpeed Regulation Type: PWM RegulationSpeed Regulation Mode: Linear PotentiometerSpeed Range: 0-100%Control Frequency: 25kHz.Package List:1 xMotor Speed ControllerNote:Do not use overload.