Product selling points: 1. Auto Cylinder Test Table Cylinder Pressure Gauge Repair Test Table Quickly check the digital display meter of the car engine, and quickly check the car engine, you can find accurate readings of valves, pistons, cylinder bores or cylinder head gaskets. 2. A complete kit for gasoline engine compression testing, with 4 standard and professional adapters, and a flexible hose pressure gauge assembly with quick connectors, all of which are firmly stored in a luxury box. 3. High-precision LCD digital pressure gauge up to 200PSI/14Bar/14kg/cm2), digital display can switch 4 kinds of display units: PSI, KPa, Bar, Kgf/cm2 4. The large, backlit LCD screen displays large and clear numbers in 4 units, detects cylinder failures, is convenient for reading and observation, can deflate, and has a good seal. 5. Using the best quality steel and brass parts, four thread sizes: M10 x 1.0mm, M12 x 1.25mm, M14 x 1.25mm, M18 x 1.5mm, suitable for most models. Parameter: [Display mode]: LCD digital display [Pressure unit]: Four units can be switched PSI, KPa, Bar, Kgf/cm^2 [Measuring range]: 3200PSI/14BAR/14Kgf/cm^2 [Working temperature]: -20 to 80C [Key function]: switch key (left), unit switch key (right) [Working voltage]: DC3.1V (with a pair of 1.5V No. 7 batteries) can be replaced The LCD battery symbol flashes when the battery voltage is lower than 2.5V [Working current]: 3MA or less (with backlight); 1MA or less (without backlight) [Quiet current]5UA Features: 1. The digital display meter has 4 kinds of units or switch, intuitive digital display, convenient for reading 2. Use new materials to ensure quality 3. The function of deflation and good sealing 4. Detect cylinder failure, easy to read and observe 5. Double rod inspection kit Scope of application: Automobile cylinder air pressure detection (Note: This product does not have batteries, you need to purchase 2 AAA batteries separately) Product list: Compression tester + hose + linear pressure tube + angled pressure tube + storage box + thread adapter x4 + manual