[Auto Shut Off] Simplicity meets functionality. AVID POWER car air pump provides you with rest-assured using experience based on the auto shut-off function. Preset the desired pressure level and start inflating job. The car air compressor will shut off automatically at the desired level. There is no need to worry about over inflating, the accuracy of the indicated pressure is +/- 1 PSI. | [Dual Power Supply] 20V rechargeable Li-ion battery pack power supply and DC 12V power supply makes the inflation more easily. You don't have to worry about running out of the battery during the trip with the alternate power source of 12V DC adapter. A great solution for emergency on the way. | [Fast Inflation & Ergonomics] High-quality materials were sourced for this tire air compressor as it can inflate a 195/60 R14 no gas tire in 3 mins and a 215/60 R16 no gas tire in 5 mins. Ergonomics shape design makes it easy and comfort to use either put it on the ground or hold in hand while inflating. Built-in LED lights up while the air inflator is working, illuminates dark working place. | [Multipurpose] This portable tire inflator is compatible with cars, motorcycles, bicycles, sport balls and inflatable pool toys, etc. Note: It's not suitable for large truck tires. | [What You Would Get] A cordless tire inflator, 20V Lithium-ion battery pack, 12V car power adapter, battery charger, 3 nozzles, user manual and a tool bag for easy storage.