Power: 220V 50Hz; Engine power: 1.8 kW; Charging pressure: 30MPA; Working pressure: 300BAR 30MPA 4500PSI. Inflation rate of the air pump: 2800r / min; Working flow: 35L / min; noise less than 78 dB, air hose connector 8 mm quick coupling Oil standard: IS0 VG 46 and AW 46 WIDE USE - This pump is perfect for all pre-charged pneumatic compressed air requirements (PCP) Perfect for fire fighting, paintball, leak detection, air tightness tests, cars, air tightness tests, pressure tests etc. Manual shut-off: sensitive and accurate response, easy to understand reading, correct display of the air pressure value of the air compressor, convenient to check and adjust the pressure value required for different jobs. Cooling system: The pump is designed with a stand-alone water cooling system and system temperature are monitored by a battery-powered digital thermometer. You prepare the cooling water that the system will use in a bucket from which the unit will extract and return the water for cooling and recirculation. Always monitor the temperature display and water supply when using the pump to avoid overheating. You must attach the vent rods to replace the oil cap. The oil should be in the right place on the edge of the red dot. Do not drive at a temperature of 85 ℃., Weight: 37.47858454 Pounds, Manufacturer: Xiamen Subang Technology Co.,Ltd.