FAST INFLATION & AUTO SHUT OFF】 Max pressure is up to 150 PSI, the tire pump can inflate the no gas tire to full around 3-5mins, more FAST, POWERFUL than other conventional air compressor. The tire pump will automatically stop inflating when it reaches the preset pressure, you don't have to worry about the over-inflation or low tire pressure. 【DUAL POWER SUPPLY & LED LIGHT】The 2200mah rechargeable Li-ion battery(Fully charged) can inflate 4 car tires of 185/70R14, 10pcs motor tires, or 25pcs bike tires. 12V car power adapter provides continuous power while the battery has run down. The 10FT long power cord can reach all tires of your car. Bright LED light helps you to inflate car tires in darkness. 【DIGITAL DISPLAY & EASY OPERATION】The portable air pump built-in a large LCD shows the target pressure, pressure units, and battery level that easy to read. Just simply attached the air hose to the tire and preset your desired pressure, start the trigger, the cordless tire inflator will do all the work for you. Optional Pressure Units: PSI, BAR, KG/CM. 【DURABLE & SAFETY DESIGN】 The auto tire inflator is made of the dural metal motors that provide superpower and pass the strict life test, other inflators simply burned out and failed altogether. The air hose is made of heated-resistant material that can resist the high pressure. The locking trigger design provides a more safe and reliable way for inflation.