Item Type: Motor Speed Controller Material: PCB Input Voltage: DC24V Output Voltage: Linear Under Load Output Current: 60A Continuous Current: 40A Speed Range: 0% - 100% Control Frequency: 21Khz Speed Regulation: Potentiometer with switch. Speed Regulation Type: Current Regulation Package List 1 x Motor Speed Controller Do not use overload. 1Smart Control: Allows for a wide speed adjusting range from 0 to 100%, the brushed motor controller enables better control. 2Practical Use: The PWM motor regulator can also be widely applied to the dimming of DC circuit to meet your various needs. 3Safer Working: Designed to have under voltage protection, the control switch ensures safe and stable working performance. 4Quick Cooling: Equipped with a aluminium alloy heat sink with large contact area, which promises quick heat dissipation. 5Easy to Install: Comes with a compact size and a light weight as well, the installation is very convenient to complete.