Feature:1. With digital display screen, it can display 0?100 percentage, the operation is simple and convenient.2. The knob realizes 0? adjustment, supports stepless speed regulation, and facilitates positioning speed.3. PWM DC motor speed regulator, made of high?quality ABS and aluminium alloy material, sturdy and durable.4. Jog the stop/start switch, panel mounting, 6?60V wide voltage , output current is 0?30A.5. Widely used in industrial DC motor speed control, industrial conveyor belt speed control, DC fans, etc.Specification:Item Type: Motor Speed ControllerMaterial: ABS Aluminium AlloyColor: As shown in the pictureProduct Size: Approx.96x61x34mm/3.78x2.4x1.34in(L x W x H)Panel Opening Hole Size: Approx.92x56mm/3.62x2.2in(L x W)Input Voltage: DC6-60VOutput Voltage: Linear under loadOutput Current: 0-30AContinuous Current: 20AWorking Temperature: -45~85Speed Regulation Type: Current regulationSpeed Regulation Method: PotentiometerSpeed Adjustment Range: 0-Control Frequency: 15KHzWiring Type: Barrier terminal blockKnob Cord Length: 18cm/7.1inSpeed Digital Display: 0-100 percentageHow To UseGet the product and connect the cable according to the correct connection method. If the wrong cable is connected, the screen will not display normally. After the normal installation, you can control the use.Package List:1 x Motor Speed ControllerNote:1. Please allow 1?2in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.