100% Programmable Plug and Play Height Leveler; Castor Air Ride is a controller that makes it possible to memorize and level the height of a vehicle with air suspension, wheel by wheel, millimeter by millimeter, an essential accessory for correcting body unevenness caused by uneven weight distribution. General features: * It contains 6 activation screens allowing its operation in different configurations: - screen for main remote control - full control screen with 18 functions