The excellent upper and lower switch remote control replacement parts are very suitable for dump trailers, dump trucks, lift the door, lift the lift, lift lift, stacker truck, etc., which are powered by 12 volts of DC electricity. It is suitable for most single-acting hydraulic pump power devices, including MTE, Monarch, Buchr Dyna-Jack, SPX, KTI, for Bosch, etc. Made of high -quality ABS materials, excellent structure, can be used for a long time. The 14.8 feet long steel wire rope is enough to stand at the rear of the dump of the trailer when uninstalling the cargo. Perfect for most single acting hydraulic power unit, dump trailer, dump truck, lift gates, elevator lifter, stackers truck, hoist crane. Replacement remote for lift gate switch on dump trailer, up down switch remote control for dump trailer. Specifications: Power: 12 Volt DC Wire : 14.8 ft Push Buttons: Up and Down Structure: Single acting hydraulic power units How to connect Pump Control Wire is as follows 3 wires-type 1: brown (power supply), yellow (down), blue (start). 4 wires-Type 2: Red-power supply (to the positive electrode of the battery), black-drop (to the drop valve), blue-start (to starter). Material: ABS colour: yellow Package Contents: 1 x winch 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.