Integrated quick connect design allow people to quickly clip them onto the valves and avoid any screwing work. Unique built in markings allow you to dial in your exact desired PSI over any 4×4 off-road terrain. Easily adjustable on the fly without having to recalibrate them. Rapid deflation of all four tires simultaneously in as little as 2 minutes depending on tire size. Extremely durable and lightweight anodized aluminum fabrication. With the help of those auxiliary scales, People can do eliminate deviation caused by different brands of gauges or tires in seconds. In this way, they can deflate their tires to very precise pressure. eg. ±0.5psi ~ ±1psi.
