Features Potentiometer with switch function for high-power speed regulation, providing greater adaptability to various motor types. Unique hard shell design protects the controller board, ensuring faster heat dissipation and preventing damage. PWM brushed DC motor speed controller with adjustable drive, supporting CW, CCW reversible switch and featuring a digital display for control. aluminum alloy shell construction ensures strength and damage prevention, offering long-lasting performance. Supports DC brushed motors with a speed range of 0-100%, enabling forward and reverse speed regulation for versatile applications. Features: 1、Potentiometer with switch function, high？power speed governor switch, more adaptable. 2、The shell is uniquely designed to protect the controller board from damage and better and faster heat dissipation. 3、DC10V？55V PWM brushed DC motor speed controller adjustable drive CW, CCW reversible switch with digital display. 4、Shell is made of aluminum alloy, which is very strong, prevents damage, and is . 5、Support DC brushed motor, speed range 0？100%, support forward reverse speed regulation. Specification: Item Type: Speed Controller Product Material: Aluminum Alloy Input Voltage: DC10-55V (Equal to the Rated Voltage of the Motor) Maximum Current: 60A Continuous Current: 40A Support Motor: DC Brushed Motor, Speed Range: 0-100%,Support Forward Reverse Speed Regulation Control Frequency: 15KHZ Wiring Type: Terminal Knob Specification: 100K (with Switch) Shell Size: Approx. 110 x 78 x 38mm / 4.3 x 3.1 x 1.5in Package List: 1 x Speed Controller Note: The input voltage must be distinguished between "+" and "？", the input voltage should be equal to the rated voltage of the motor 10？55V, otherwise it will be burnt. Package List 1 x Speed Controller