Operates from 12 volt vehicle cigarette lighter socket. 70 PSI ( -5 PSI ) pressure gauge. Includes tyre valve connector, 1 nozzle adaptor for inflatables, 1 needle adaptor for inflatables, 3.7m cable. Based on 185/70R14in tyre from 0 to 30psi / 2 br, the inflation time is below 8 minutes.