1.Soft start and soft stop, dual protection for motor and power supply Lower limit of speed, limit the minimum speed, reduce the minimum starting space 2.Dual use of 0-9990 four digit digital tube, scale percentage meter, and analog tachometer 3.9 speed adjustment increment values, fine tuning, quick adjustment Multiple startup modes, more diverse handling, and more versatile applications 4.Digital display menu style , intuitive and easy to understand, easy and fast to modify settings Power off memory function, set once, long-term use 5.Forward stop and reverse three gears, forward rotation and reverse rotation, arbitrary switching Supports dual speed, different directions, and different speeds Embedded knob switch, integrated body, more exquisite appearance Knob+button speed control, 360 degree mechanical feel knob, membrane button Wide voltage range, suitable for 10-55V, application range for motors Input voltage: DC 10-55V Display : 4-digit digital tube Speed regulation : button and knob Supported load: DC brushless motor Installation : embedded Wiring type: fence type terminal Maximum current: 40A Speed regulation type: current regulation Control frequency: 15KHZ Forward and reverse: bidirectional Set the number of functions: 7 Colour:Black Material:plastic Package Contents: 1x DC10-55V 40A Motor Controller Only the above package content, other products are not included. Note: Light reflection 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.