Any recommendations for a quick tire deflation device?

[OverlandG-wagon]

Any recommendations for a quick tire deflation device?

 

[Harry May]

check this out https://fasterflate.com

 

[Crawler80]

You need some sort of a deflation device that is able to do all tires at the same time. The above device looks good and this one works similarly too http://myoffroadradio.com/morrflate-off-road-4-tire-inflation-deflation-kit/