Air Venturi RovAir 4500 PSI Portable PCP Compressor Adjustable auto-shutoff Pressures up to 4500 PSI Does not need maintenance Capable of running off of a 110V or 220V outlet or 12V car battery Peak Amperage*: 110V / 20 Amps, 220V / 20 Amps, 12V DC / 30 Amps Running Amperage: 110V / 6-9 Amps, 220V / 4-7 Amps, 12V DC / 10-27 Amps Power supply for electrical outlet use is built into the unit Convenient top carrying handle Dual-fan cooling system *Peak amperage only occurs for a split second when starting the unit. Please Note: The RovAir is recommended for filling PCP guns only and is not to be used for breathing air. Approximate fill times: Diana Stormrider (100cc) 0-3000 PSI - approx. 2:50 min Benjamin Marauder (215cc) 0-3000 PSI - approx. 5:55 min Air Venturi Avenger (180cc) 0-4350 PSI - approx. 7:15 min Airforce Texan CF (475cc): 0-3625 PSI - approx. 13:30 min FX Impact M3 Sniper (580cc) 0-3625 PSI - approx. 16:05 min