DC12V 280PSI with switch control Inflate ordinary car tyre in 7min(>30PSI) 12V/17AH sealed lead acid battery Peak current:900 Amp; starting current:400Amp Output power DC12V with 15A automatic circuit overload protection Led display while charge and automatically stop after fully charged Voltmeter:display battery capacity With red safety switch Lamp:12V/3.6W Packagesize:40.5X37X39.5cm Packing:1pc/color box, 2pcs/ctn G.W./N.W(KG): 20/19 Container:20ft-1008pcs; 40ft-2016pcs