Easy Wire ConnectionThis 4-wire double-acting up and down switch remote controller is easy to install. Black - Start (to Starter), Blue - Raise (to Lift Valve), Brown - Down (to Lowering Valve), Green - Power (to Battery).Easy OperationUpgrade your hydraulic pump dump trailer with this 12V 4-wire double-acting remote control switch. With a 2-button pendant control, you can easily operate the up and down functions from a distance.Wide ApplicationThis remote control switch works fits for most double-acting hydraulic pumps power units. Perfect for your dump trailer, dump truck, lift gate, lift dump, elevator lifter, stackers truck, etc.Durable and WaterproofMade of high quality ABS material, this remote control switch is designed to withstand tough conditions. with a protective shell that can withstand even the toughest conditions.Convenient DesignWith a 14.8-foot long cord, you can stand at the back of your dump trailer while dumping the load, making it more secure and handy. The small size and magnetic adsorption on the back make it easy to use and store.