Features It is made of high quality materials, with a long service life. Digital billboard design, easy to read and use. DC motor controller can adjust the start and slow stop time of DC motor, easy to operate. This product is mainly used to control DC motor speeds. 100% brand new and high quality. Features: Input voltage: DC6-60V Output voltage: linear under load Output current: 0-30A DC Current: Within 20A Speed control mode: jog + - Speed regulation range: 0-100% Control frequency: 21KHZ Connection type: Barrier terminal Support motor: brush motor Significant speeds: 0-100% Size: 10 x 6 cm/3.94 x 2.36 inches. Weight: 100 g Details: 1. Slow start time setting Function 1: 000 - 100 Slow start to 100% Adjustable speed time between 0 and 10 seconds The default is 1 second. 2. Slow downtime setting Function 2: 000 - 100 The slow downtime is adjustable between 0 and 10 seconds. The default value is 1 second. 3. Lower speed limit adjustment function 3: 000 - 080 Minimum speeds are adjustable between 0 and 80% and below the setting of maximum speeds. The default value is 0. 4. 4:000 - 100 upper limit setting function The maximum speeds are adjustable between 0 and 100% and above the setting of minimum speeds. The default value is 100%. 5. Setting the acceleration and deceleration value Function 5: 001 002 005 010 015 020 025 Each time you press the plus/minus button, the speeds change accordingly by 1%, 2%, 5%, 10%, 15%, 20%, 25%. Package includes: 1 x Motor Controller Note: 1.The input voltage must differentiate "+"","-", cannot enter 220V voltage. 2. The input voltage must be equal to the rated motor voltage between 6 and 60 V Package List