[ High quality materials ]: A good structure and can be used for a long time [Save money]: The remote switch of the dump truck trailer saves time and money. There is no need to call the hydraulic dump truck trailer controller dealer, just install our 3-wire dump truck trailer remote control switch [Simple connection]: For a three wire (single acting) tipper trailer controller: Use a wire with a metal circular end to connect to the lowering valve. Connect the positive terminal of the battery to the using the circled wire. 3 wires - red (power), (raised), and black (guide) [Personalized Design]: A 15 foot long rope is long enough to stand behind the dump trailer switch when unloading goods. Perfect for lifting or lowering things. Widely used: Suitable for 12 volt DC dump trucks, dump trucks, lifting doors, lifting dump trucks, elevators, stackers, etc, Weight: 1.15522225288 pounds, Manufacturer: Qarmijaer