Campbell Hausfeld RP410099AV Home Inflation System Operates on 120-volt household current. 150 Max PSI provides plenty of inflation power Built-in pressure gauge for easy and accurate monitoring of air pressure levels when inflating car and bike tires, soccer balls, beach balls and other sporting equipment Includes inflator needle and bonus Schrader-to-Presta adapter, allowing the inflator to be used with the Presta valves typically found on racing and road bikes Built-in cooling fan extends inflator life and reliability Finish your projects faster and easier with Campbell Hausfeld - The Air Power Expert