YONG HENG PCP Air Pump, 4500 PSI High Pressure Air Compressor with Auto Shut-off, 30Mpa Electric Air Pump for Paintball Airgun Scuba Air Rifle Fill Station for Fire Fighting Diving. Power Source: Corded Electric. Noise Level: 85 dB. Special Feature: Automatic Shut Off. Power Source:? Corded Electric. Noise Level:? 85 dB. Special Feature:? Automatic Shut Off. Included Components:? Air Hose. Air Flow Capacity:? 1.5 Cubic Feet Per Minute. Model Name:? YH QB01. Item Weight:? 45.8 pounds. Package Dimensions:? 18.8 x 18.1 x 11.2 inches. Special Features:? Automatic Shut Off. Date First Available: April 4, 2023. Main ParametersPower: 110V 60HZ; Motor Power: 1.8KW; Charge pressure: 30MPA; Working Pressure: 300BAR 30MPA 4500PSI. Air pump inflating speed: 2800r/min; Work flow: 50L/min; Oil standard: IS0 VG 46 & AW 46. ApplicabilityElectric air pump can be used as fill station for car tires, bike tires, scuba tanks, fire fighting, paintball, air pistols, leakage detecting, pressure-tight tests, automobiles, bicycles, air impermeability tests, pressure-proof tests, etc. Efficient & StableIt takes only 30 minutes to fill a 6.8L tank to 300bar, and designed with two-stage compression and two water-oil separators for stable performance. Cooling RequirementFor smooth performance, you have to prepare cooling water and replace it every 30 minutes for an optimal cooling effect. NEVER START THE MACHINE BEFORE YOU HAVE ENOUGH WATER PREPARED. Auto Shut-offThe compressed air pump will automatically stop working when the pressure reaches 300BAR/30MPA. If abnormal noise occurred during the using of the product, please stop using it instantly and check the cause. The product should be placed at a place that it couldn’ t be touched by children. Please do not use it in moist and flammable place. Please do not modify it arbitrarily, disassembling and repair by non-technical personnel is not allowed. Make sure the socket could withstand a currentgreater than 8A before using it, or the circuit might be burnt, the product might be damaged and the dangers may be caused due to overload of the socket. Please do not touch the head section after the machine was just being used, so as to not beburnt by high temperature. Please do not leave without authorized, or the product might be damaged by increasingly rising pressure, sustained overload motor, even halt due to the operation pressure has reached but it is not turned off timely. When it is used for inflating slightly larger container, the cooling water should be changed every 30 minutes, in this way, the cylinder temperature could be better controlled. The machine oil should be checked regularly, make sure the oil level is above the upper edge of the red point. If color of machine oil becomes dark and black, it should be changed in time. Your receive the wrong item.