The 3-Way DC Power Unit - Electric Controls from Buyers Products is an all-in-one, compact power pack. It's ideal for any power up/gravity down hydraulic application such as a plow or dump body. You get quick-response functionality at your fingertips from one small package. The unit contains a built-in pump, 12V motor, polymer or steel reservoir, 3 function valve, double filtration, factory-wired control station, and more. It also features a solenoid-actuated, externally mounted release valve. It's built to withstand weather and tough work demands.