BUILT IN POWER SUPPLY: PCP air compressor can be powered by DC12V car battery, easy to carry when going out 2. FAN COOLING AND REAL TIME TEMPERATURE DISPLAY: No oil operation, no cooling water circulation. The paintball air compressor has a built in 12500rpm cooling fan that is switched on and starts running when the air compressor is energized. Real time temperature display makes your air pumping safer and easier. QUICK CONNECTORS AND REPLACEABLE FILTERS: The PCP air compressor comes with an 8mm quick female threaded adapter, just connect and start pumping. Additional parts such as spare O rings and some moisture filter elements are included. The moisture filter on the hose can not only be used multiple times, but can also be replaced to keep the compressed air clean and dry at all times 4. FAST INFLATION: The submersible tank compressor is driven by a 300W brushless motor and is capable of delivering pressures up to 4500Psi/30Mpa. Suitable for diving, outdoor,, PCP aeration 5. WIDE APPLICATION: High pressure air compressor is suitable for tank inflating on most DIY PCP air rifles, air pistols, paintball guns and HPA tanks. The compressor takes approximately 25 minutes to fill the 0.5L tank from 0 to 300 bar and 10 minutes from 200 to 300 bar. Item Type: PCP Air Compressor Pump Type: High pressure air(HPA) compressor(for drying compressed air only) Maximum Inflation Pressure: 300BAR(4500psi/30MPa) Maximum Inflation Capacity: 0.5L(500cc) Inflation Rate(0.5L): 0-300BAR about 25 minutes Compression Limiter: User chooses to close manually Working Voltage: DC12V(can be powered by DC12V vehicle battery) Cooling System: Fan air cooling Filter System: Filter with replaceable drying medium and dust filter Air Hose: For foster type 8mm quick connector available. 1 x Air Hose. 1 x DC12V Line(for car batteries). 1 x User Manual. The temperature should not exceed 75°, and close promptly to cool. Please allow tiny size error due to manual measurement. Thanks for your understanding. We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. Post a message again because sometimes our message system may block some emails. If you are satisfied with our service, pls. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy. We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders.