The digital display percentage table 0-100 is accurate. Point movement start/stop switch. Slow start time setting function 1: 000 - 100 Slow start to 100% Speed time adjustable between 0 and 10 seconds. The default value is 1 second. Slow stop time setting function 2: 000 - 100 Slow stop time is adjustable between 0 and 10 seconds. The default value is 1 second. Speed lower limit 3 setting function: 000 - 080 The minimum speed is adjustable between 0 and 80% and lower than the maximum speed setting. The default value is 0. Speed upper limit setting function 4: 000 - 100 The maximum speed is adjustable between 0 and 100% and higher than the minimum speed setting. The default value is 100%. Adjustment of acceleration and deceleration value Function 5: 001 002 005 010 015 020 025 Each time you press the plus/minus button, the speed changes accordingly by 1%, 2%, 5%, 10%, 15%, 20%, 25%. Please note: The input voltage should be equal to the motor's rated voltage. Input voltage: DC 6-60V Output voltage: Linear Output current: 0-30 A Continuous current: 20A Speed regulation type: Regulation current Speed regulation mode: Potentiometer Speed range: 0 - 100 % Control frequency: 21KHZ Wiring type: Palisade terminal Color: as shown Material: plastic Package Contents: 1 x speed controller (without packaging (Retail) Only the above package content, other products are not included. Note: Light photography and different screens may cause the color of the object in the picture to look a little different from the real thing. The allowable measurement error is +/- 1-3 cm.