Supports forward and reverse rotation control and stop. The speed controller is made of highquality circuit board, which ensures a longer service life. This simple and easytouse DC motor speed controller has an elegant appearance and stable performance. Adopts PWM speed control, eact and stable. Welldesigned casing can protect the control board from damage as well as dissipate heat. Specification Supply voltage DC 1260V Output current 40A Color Black Material Plastic Dimension 609099mm2.363.543.9in Mounting size 5281mm2.053.19in Package Contents 1DC Motor Speed Controller Only the above package contents, 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 allowable measurement error is13cm.