Shop Nilight Tire Inflator Portable Air Compressor Rechargeable 12VDC 150PSI Cordless Battery Cigarette Powered 2X Faster Inflation Air Pump w/Digital Pressure Gauge for Car Motorcycle in high quality, support 2 Years Warranty. Start car ignition, connect cigarette lighter plug to the 12V DC power outlet, set the desired value, and wait for the numbers to stop blinking.