The digital display 0-100 percentage table is accurate.Point move start / stop switch.Slow start time setting function 1: 000 - 100 Slow start to 100% Speed time adjustable between 0-10 seconds Default is 1 second.Slow stop time setting function 2: 000 - 100 Slow stop time is adjustable between 0-10 seconds Default is 1 second.Speed lower limit setting function 3: 000 - 080 The minimum speed is between 0-80% adjustable and less than the maximum speed setting The default is 0.Speed upper limit setting function 4: 000 - 100 The maximum speed is adjustable between 0-100% and greater than the minimum speed setting The default is 100%.Acceleration and deceleration value setting Function 5: 001 002 005 010 015 020 025 Each time you press the plus/minus key, the speed changes correspondingly by 1%, 2%, 5%, 10%, 15%, 20%, 25%.Note: The input voltage must be equal to the rated voltage of the motor.Input voltage:DC 6-60VOutput voltage: LinearOutput current: 0-30AContinuous current: 20ASpeed regulation type: Regulating currentSpeed regulating mode: PotentiometerSpeed range: 0 - 100%Control frequency: 21KHZType of wiring: Palisade terminalColour:As shownMaterial:plasticPackage Contents:1 x Speed Controller (without retail package)Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.