This compression tester can be quickly set to your car,motor,truck,bike then you can get accurate readings on the valve, piston ring, cylinder bore or gasket. Pressure gauge and rubber protection on double scale (3 to 200 psi) to prevent scratches. Copper nickel-plated drain valve, , -. M10 adapter for motorcycles, M12 M14 adapter for motor vehicles. Gauge Display Unit: PSI, BAR, KPA, Kgf/cm2 This automotive compression tester works with most car models with gasoline engines. It comes with adapters and pipes in different size to fit different models. Widely used for checking compression on engine cylinder quickly and accurately. Specification: Test pressure:Up to 14 bar/200 psi Resolution:0.05BAR/0.5PSI 4 Adapters:M10x1.0mm;M12x1.25mm;M14x1.25mm;M18X1.5mm Power Supply:2 x AAA Battery(Not included) Pressure gauge diameter:71 mm Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Colour:Photo Color Material:Plastic Package Contents: 1x Compression Tester Set 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.