Feature: 1. LCD with backlight capable of displaying working time, percentage of , current mode, forward and reverse. 2. Slow start and slow down time can be set with upper limit lower limit setting. 3. Manual automatic two modes are optional, and the automatic mode is automatic positive and negative rotation within the set time. 4. Tact switch to switch forward and reverse, jog acceleration and deceleration, solve the easy-to-break problem of traditional potentiometer. 5. Can set the total working time, stop at the setting time. Specification: Item Type:DC Motor Driver Input Voltage: DC10-55V Output Voltage: Linear Under Load Instantaneous Current: 60A Continuous Current: Within 40A Control Type: Current Adjustment   Control Mode: Jogging + - Range: 0 - 100% Control Frequency: 15KHZ Wiring Type: Fence Terminal Block Support Motor: Brush Motor Panel Opening: Length x Width 129 x 81.5mm / 5.08 x 3.21in Digital Display: Percentage 0-100 Function settings: The function settings of 0-1-2-3-4-5-6-7-8-9 are as follows: Manual automatic mode selection. Function 0: 1 is manual mode 2 is automatic mode. The default is 1 manual mode. Slow start time setting. Function 1: 000 - 100 Slow start to 100% time is adjustable between 0-10 seconds. The default is 1 second. Slow stop time setting. Function 2: 000 - 100 The slow stop time is adjustable between 0-10 seconds. The default is 1 second. Lower limit setting. Function 3: 000 - 080 The minimum is adjustable between 0-80% and is less than the maximum setting. The default is 0. upper limit setting. Function 4: 000 - 100 The maximum is adjustable between 0-100% and is greater than the minimum setting. The default is 100%. Acceleration and deceleration value setting. Function 5: 001 002 005 010 015 020 020 025 Each press of the plus or minus button changes by 1%, 2%, 5%, 10%, 15%, 20%, 25%. Motor running total time setting Function 6: 1 second minimum - 99 hours 59 minutes 59 seconds maximum. The default is 99 hours 59 minutes 59 seconds. The following function 7.8.9. is the time setting in the automatic mode. Forward time setting Function 7: 1 second minimum - 99 hours maximum. Default is 10 seconds. Stop time setting Function 8: 1 second minimum - 99 hours maximum. Default is 10 seconds. Reverse time setting Function 9: 1 second minimum - 99 hours maximum. Default is 10 seconds. Package List: 1 x DC Motor Controller Note: The input must be positive and negative, the input voltage should be equal to the rated voltage of the motor (within 10-55V), and input 220V will burn.