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 , , Buchr Dyna-Jack, , KTI, for , 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 4 wires-Type 2: Red-power