VOLTAGE: 12- 13.5V OUTPUT POWER: 18 AMPERE MAXIMUM PRESSURE: 120 PSI CONTINUE RUNNING TIME: 15 MINUTES TWIN HEAD AIR COMPRESSOR DC12-13.5V DUAL CYLINDERS DESIGNED FOR USE WITH BIG VEHICLES 3.6M DC POWER CORD WITH CROCODILE CLIPS. 7.5M EXTENSION COIL HOSE WITH GAUGE AND QUICK RELEASE COUPLING . EMERGENCY BUILT-IN FLASH LIGHT