Item Type: Motor Speed Controller Material: ABS+Aluminium Alloy Color: As shown in the picture Product 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: DC6-60V Output Voltage: Linear under load Output Current: 0-30A Continuous Current: 20A Working Temperature: -45~85 Speed Regulation Type: Current regulation Speed Regulation Method: Potentiometer Speed Adjustment Range: 0- Control Frequency: 15KHz Wiring Type: Barrier terminal block Knob Cord Length: 18cm/7.1in Speed Digital Display: 0-100 percentage How To Use Get 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.