Air Pump High Pressure Pump Electric Airgun NEW Air Compressor Auto-Stop 4500PSI. 30MPA 4500PSI High Pressure Air Compressor Auto Stop Electric Airgun Pump 110V. There Is No Need To Add Oil And Circulating Cooling Water, Which Reduces The Trouble Of Connecting The Water Pump And Simplifies The Operation Process. The Built-In High-Power Fan Can Greatly Improve The Cooling Efficiency And Make The Compressor Continuously Fill The Air Gun. Built In Power Adapter And Simple Connection: Built In Power Converter And Compressor. The Rated Power Is 350W. After 25 Minutes Of Continuous Pumping, The Compressor Will Automatically Stop Filling Water To Ensure Safety. Restart After 8 Minutes Of Rest. The Cooling Fan Is Manually Controlled. Portable Design And Bursting Disc: Portable, Safe And Durable. Check The 110V Ac Voltage Set On The Converter. Connect The Power And Air Hose. Turn On The Cooling Fan. Tighten The Bleed Valve To The Right. Feedback is very important to us. It is impossible to address issues if we do not know about them! Faction is our ultimate goal. We work hard to earn your trust and future business. A If you receive a defective item, you may return it or ask for a discount. Due to time zones, our reply to your questions may not be immediately. If it’s non-workdays, please kindly be patient and wait till Monday.