Dakota Digital DHC-2102 uses 4 height sensors and 5 pressure sensors (4 bags and tank pressure) has 3 presets and auto leveling plus adjustable speed settings front and rear.
Plus it cost less than the other guys and you know what your bag & tank pressures are.
Accuair valves of course.
York EDC. Quiet & Fast. So Fast.
Top quality and lowest cost air management