1Versatile: Fit for most double acting hydraulic pump power devices, such as dump trailers, electric forklifts, electric sanitation trucks, elevators, car tailplates, electric pallet trucks, lifting platforms, boarding bridge, electric basketball stand, etc. 23 Mounting Methods: Equipped with wall mount bracket for placing remote control switch. With magnetic back. The switch can also be hung on the wall through a hanging hole. 3Plastic Shell: Our premium plastic shell is durable and offers excellent protection for controller against dust, moisture, and harsh weather conditions, ensuring the safety of the internal wiring. 4Easy to Use: Remote control switch with 2 buttons allows you to remotely control the dump trailer to lift or drop items. Not limited by distance, improve work efficiency. 53 Wire 4 Wire Connection: Loosen the rear cover with a screwdriver and you can see the wiring terminals. It can be connected with 3 or 4 wires to meet your different needs.