Features: According to the original factory specifications. Easy installation. The seat paddle-valve control switch can work when two electric wires to compressor for on off control.Engineered with push to snap tabs for easy mounting in a hole on panel (not included). A relay-(not included) may be required to turn compressor on off. The air-spring activated switch is built into the manual paddle-valve switch, and when you push the paddle-switch up and down, you control the compressor relay-on and off. The switch-controls the flow of air from the tank-or compressor to the hanging-bag or pneumatic seat. Specifications: Material: Plastic+Metal Size:As Picture Shown Color:Black Fitment: for truck Note: .Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. .Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1x Air Pump Control Switch Only the above package content, other products are not included.