Pro-LifT W-1808 12V Air Inflator with Digital Gauge (Preset Tire Pressure, LED Display) 12 volts DC Air Inflator with compact design, universal locking adaptor and easy to reach On/off power switch 100 PSI with Maximum Air Flow 1.06 CFM The digital gauge featurese the preset functionality to stop inflating once the pressure is met. Built-in air hose and power cord storage compartments 3 adapter tips including sport adapter and two adapters for inflatables