The AstroAI 150PSI portable air compressor inflates car tires and other inflatables quickly and easily. Just pre-set your desired tire pressure into the programmable LCD screen; it will inflate tires to the desired pressure in a flash and then automatically shut off when the required tire pressure is reached. Save time and just fill it right the first time. The air compressor will automatically shut off when the pressure is 0.5-1.5PSI higher than the preset value; Simply program the pressure for your tire or inflatable object and let Compressor do the rest; By programming the inflator, you prevent over-inflation without compromising the speed of your inflation. AstroAI Air Compressor 150PSI (Blue); Fast and Easy Inflation; Digital Display and Auto Shut Off; Long Using Time and Fast Cooling; 9 LED Emergency Flashlight; Easy to Use