Air Venturi Nomad Nano 4500 PSI Portable Compressor Patent Pending Design Adjustable auto-shutoff Pressures up to 4500 PSI Does not need routine maintenance Capable of running off of a 110V or 220V outlet or 12V car battery Power supply for electrical outlet use is built into the unit Convenient top carrying handle Fan cooling system Dimensions (w/o filter): 12"L x 5.25"W x 9"H (feet to handle) Weight: 15 lbs. Please Note: The Air Venturi Nomad Nano is recommended for filling PCP airguns only and is not for breathing air. Approximate fill times: Air Venturi Avenger (180cc) 0-4350 PSI - approx. 7:30 min FX Impact M4 (480cc): 0-3625 PSI - approx. 14:30 min Air Venturi Avenge-X (400cc) 0-4350 PSI - approx. 14:30 min