【Versatile Use】: This 12V DC dump trailer remote control switch features up and down buttons and is compatible with 4-wire and 3-wire remote systems. It is suitable for a variety of applications including dump trailers, cranes, electric forklifts, and lifting platforms. 【Three Installation Methods】: This trailer up and down control switch offers three installation options for convenience. It includes a wall-mounted bracket designed to fit the switch size. Additionally, there are mounting holes on the back for surface mounting or a hanging hole for wall suspension. 【Plastic Protective Shell】: The switch is enclosed in a durable plastic shell that is wear-resistant, heat-resistant, and impact-resistant, ensuring long-term reliability. It protects the internal wiring from dust, moisture, and harsh environmental conditions. 【Up and Down Remote Control】: This user-friendly remote control has two buttons that allow you to remotely operate the lifting or lowering functions of your dump trailer without distance limitations, improving work efficiency and ease of use. 【Size】: With compact dimensions of 5.51 x 2.17 x 2.48 inches (14 x 5.5 x 6.3 cm), this switch is compatible with most double hydraulic pump power units, ideal for use with electric sanitation vehicles, lifts, tailgates, electric pallet trucks, boarding bridges, and electric basketball stands. Specifications: 14 x 5.5 x 6.3 cm / 5.51 x 2.17 x 2.48 inches Package Includes: 1 x Dump Trailer Remote Control Switch Note: Please allow slight variations of 1-2 cm due to manual measurement.