The Vevor digital hydraulic pressure test kit is designed for diagnosing hydraulic systems with dual-port testing and real-time pressure comparison. It includes two digital gauges, nine test couplings, two quick-release couplers, and two hoses for versatile use on excavators, loaders, and bulldozers. The gauges feature high accuracy sensors, multiple unit options, and functions such as backlight, zero calibration, and peak hold. Built with stainless steel housings, silicone protective covers, and a waterproof dustproof carry case, this kit is made for demanding jobsite conditions.