FEATURES: Powered by 12 volts DC, the remote has convenient magnetic backing with a mounting cradle, easy to install. 15' cord long enough to stand at the back of dump trailer while dumping the load.AN UPGRADE TO YOUR TRAILER: This dump trailer remote control switch is a replacement for 4-wire double-acting hydraulic power unit with 2-button pendant control, which makes the up down operation of your trailer much more convenient. A small unit but a great upgrade to your dump trailer. First choice for your dump trailer, dump truck, lift gate, lift dump, elevator lifter, stackers truck, etc.SUPERIOR QUALITY: This dump trailer remote control is responsibly made with high-quality Eco-materials ABS, well-constructed to ensure excellent reliability and durability. Also it is small and takes little space.WIDE USE: Fits most double-acting hydraulic pumps power units including MTE, Monarch, Bucher Dyna-Jack, SPX, KTI, Bosch and others.EASY TO WIRE: 4 Wires: Brown - Power( to Battery), Blue - Raise(to Lift Valve), White - Down(to Lowering Valve), Black - Start(to Starter), instructions included.