This looks damn interesting. If only it would work with 12v input

does it have 2 preset pressures? An offroad and onroad pressure setting without having to manually go up and down every time?
Pull up plug it on and it airs down then when your done plug it back on and it auto airs up.
Can you add a hose line to the deflation vent? I have a wagon would be good if you could externally vent it, more for the noise etc.
Something like this would be mint with an endless air system.
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