Rugged, Drop proof all Aluminum case and digital readout. More robust than analog gauges. Remote Readings - fluids stay at the test point. The 10' cord enables the readout to be inside the vehicle. Digital accuracy - fast repeatable results during injector pressure drop tests. Min/Max feature captures road-test pressure drop-outs. Versatile and accurate - fits most popular pressure test kit adapters The Universal Digital Vacuum/Pressure Gauge with a remote readout is designed to test pressure in various automotive systems such as fuel, transmission, or oil pressure. It is perfect for road testing since the remote readout is easily located inside the vehicle.