Feature: 1. Enhanced version design makes the system work safer with a set pressure gauge to set the pressure. 2. Via water cooling and air cooling methods, this pump can keep high durability and working effectiveness. 3. 30mpa air compressor pump is with ability of pressure resistance and explosion resistance, which is also with large load capacity. 4. Long service life, high power air pump is with quality assurance, which makes itself getting great popularity. 5. Your usage safety can be kept depends on that air pump is equipped with safety measures such as pressure relief valve and explosion-proof valve, etc. Specification: Item Type: Air pump Pressure Range: 0-40MPA Current: 8A-10A Working Pressure: 0-30MPA Speed: 2800R/Min Cooling Method: Water cooling + air cooling Power: 1800W Compression Method: Secondary compression Lubrication Method: Oil splashing type Working Noise: 70dB Air Output: 130L/Min Connector Type: 8MM quick connect female Engine Oil: Add piston type air compressor engine oil (machine without oil) Speed Test: 3 minutes to inflate 30MPA with 0.5L gas cylinder, 6 minutes to inflate 30MPA with 1L gas cylinder, and 40 minutes with 30MPA to inflate with 6.8L gas cylinder. Battery: 2 LR44 button batteries (Not included) . Package List: 1 x Inflator1 x Submersible Pump2 x Glove1 x User Manual1 x Water Pipe2 x Washer2 x White Ring 2 x Transparent Ring1 x Submersible Pump Connector1 x Inflator Accessory (Yellow Cylinder)1 x Hose1 x Plug1 x Accessory Bag1 x Black Mat