Features: Vacuum testing applications include: vacuum reservoirs, automatic transmission, air conditioning and heating, heater cones, fuel systems, brake systems including conventional, engine management systems, engine management. including cylinder heads, valve stem oil seals, emission control systems, engine tuning, ignition systems, piston ring retainers on Crude Oil engines, waste Gases on turbo chargers. Can also be used for one-man brake bleeding. Specification: Pressure: 0-60psi (0 to 4 bar) Dual function - vacuum: 0-30 in vacuum (0 to -1 bar) Simply select the air intake control valve on the pump Out for pressurized systems/In for testing vacuums perfect for a wide range of applications on many vehicles including motorcycle brake bleeding Product features: This product is a multi-functional vacuum pump, which is used for the calibration and measurement of the vacuum pump pressure gauge and the test tool for the vacuum pressure value of the sensor. It has rich connector configurations and is suitable for most vehicles. The control switch can switch between positive and negative pressure modes. Air brake system connector. Note: due to different production batches, the color of the plastic box is random, Cannot be chosen the specific color. Material: Metal colour: black Package Contents: 1 x Hand-held vacuum pump kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.