PARAMEYER? Power: 110V 60HZ; Motor Power: 1.8KW; Charge pressure: 30MPA; Working Pressure: 300BAR 30MPA 4500PSI. Air pump inflating speed: 2800r/min; Work flow: 50L/min. WIDE APPLICATION? A perfect electric air pump 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. QUICK-FILL PERFORMANCE? It takes only 30 minutes to fill a 6.8L tank to 300BAR. Designed with two-stage compression and two water-oil separators for performance stability. COOLING SYSTEM? For 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. Motor Power: 1.8KW. Air Flow Rate: 50L/min. Charge Pressure: 30MPA (it will automatic shut down as the pressure over 30MPA). 1 x Electric Air Pump. 1 x Accessories (as picture show). We will deliver the goods within the promised time, please wait patiently. Package tracking information will usually be updated in 24-72 hours. We will do our best to resolve your issue as soon as possible. We are not responsible for carrier transit time. This information is provided by the carrier and excludes weekends and holidays. We will reply your message within 24-48 hours. Our Customer Service Opening Time (China time). ALL E-mails will be replied to within 24-48 hours.