Features 100% brand new and high quality Input supply voltage: DC 6V-60V；Output current: 0-30A ;Continuous current: within 20A DC Motor Controller can set the time of DC Motor Slow Start and Stop, easy to operate. 【Fine quality】made with high quality circuit board which ensures a longer service life.and this simple and easy-to-use DC motorspeed controller has an stable performance. DC Motor Controller can set the time of DC Motor Slow Start and Stop, easy to operate Specifications: Input voltage: DC6-60V Output voltage: linear under load Output current: 0-30A Continuous current: within 20A Speed control mode: jog + - Speed regulation range: 0-100% Control frequency: 21KHZ Type of connection: Barrier terminal Support motor: brush motor Significantspeed:  0-100% Size: 10 x 6cm / 3.94 x 2.36in Weight: 100g Detail: 1.Slow start time setting Function 1: 000 - 100 Slow start to 100% Speedtime adjustable between 0-10 seconds Default is 1 second. 2.Slow stop time setting Function 2: 000 - 100 Slow stop time is adjustable between 0-10 seconds Default is 1 second. 3. Speedlower limit setting function 3: 000 - 080 The minimumspeed is between 0-80% adjustable and less than the maximum speedsetting The default is 0. 4. Speedupper limit setting function 4: 000 - 100 The maximumspeed is adjustable between 0-100% and greater than the minimumspeed setting The default is 100%.  5.Acceleration and deceleration value setting Function 5: 001 002 005 010 015 020 025 Each time you press the plus/minus key, the speedchanges correspondingly by 1%, 2%, 5%, 10%, 15%, 20%, 25%. Package included: 1 x Motor Controller Note: 1.The input voltage must differentiate "+" ,"-", can't input 220V voltage 2.The input voltage should be equal to the rated voltage of the motor within 6-60V Package List