Meet the ALP4 — Air Lift’s most advanced control system yet. Built to replace the 3P, it delivers precise pressure-based management with five programmable presets, full four-corner control, and convenient paired adjustments. Its sleek wired touchscreen puts all bag and tank pressures right at your fingertips, while optional height sensors unlock even greater accuracy. Plus, with the free Air Lift app for iOS and Android, your phone doubles as a wireless controller, giving you ultimate control wherever you go.