PWM pulse width speed regulation range: 10%-100%Equipped with 10A fuse, with power reverse connection, control voltage overvoltage protection functionEquipped with high quality potentiometerIf forward/reverse function is required, customers can connect the forward/reverse switch by themselves.Input voltage: DC 12V-40VPower: 0.01-400WCurrent: rated current 8A, maximum passing current 10A, quiescent current 0.02A (standby state)Frequency: 13khzMaterial: PCBcolour: As shownPackage Contents:1 x DC motor governorOnly 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.