This professional vacuum pump is used to test a variety of essential vehicle settings and functions. It can check vacuum and pressure controlled vehicle components. It includes a brake fluid reservoir for bleeding operations. Features: 2 in 1 vacuum pump and brake bleeder test tool kit with brake fluid reservoir. Practical and suitable for almost all cars to minimize mess. 3 hoses of different lengths to cover different needs with different adapters to fit most types of vehicles. Elementary vehicle settings and functions to check components of the vacuum system such as MAP sensors, valves, hoses, etc. Suitable for both home and business applications, also suitable for bleeding brake and clutch systems. Accurate pressure gauge: 0-30inHg, 760mmHg. Handheld gun pump with easy-to-read dual scale. Stylish and handheld carrying case for easy transport and storage. Specifications: Material: Plastic & Iron & Copper Maximum negative pressure 0.3bar Hose length: 2 * 24 Vacuum hose, 2 * 3 Vacuum hose Accurate pressure gauge: 0-30inHg, 760mmHg. Dual gauge readings: Negative pressure. -30～0inHg, -760～0mmHg Reservoir capacity: 120ml