DC12V 300PSI; power:100W Diameter of cylinder:21mm; Inflate ordinary car tyre in 5min(>30PSI) Supply 12V output 12V/7AH sealed lead acid battery With AC charger and DC12V cigarette lighter plug Led display while charge; battery capacity display With three nozzle adapters for inflating bikes, tyres, balls, etc. Inflation,flash,lighting,switch and pressure gauge luminous display Package size: 49.5X29.5X26cm Packing: 1pc/color box, 4pcs/ctn G/N.W(KG): 17/16 Container:20ft-3132pcs; 40ft-6264pcs