Fangrui Product Details [5x Faster Tire Inflation]: Up To 150 Psi, This Powerful Smart Air Compressors Has A Built-in High-performance Chip. Elevate Tire Pressure From 30 To 35 Psi In Just 50 Seconds Or Fully Inflate Car Tires (0-36 Psi) In Just 5 Minutes. The Large Led Display Shows Real-time Pressure Values And The Preset Pressure At Just A Glance [long Lasting Battery]: Our Portable Tire Inflator For Car Has A Built-in Large-capacity Rechargeable Battery, With Just One Full Charge, You Can Inflate Four Car Tires (29-36 Psi). This Cordless Air Compressor For Car Tires Is A Great Solution For Emergencies On The Way [5 Smart Modes Auto Shut Off]:it Offers 4 Preset Inflation Modes (bicycles, Motorcycles, Cars, And Balls). Once The Preset Pressure Value Is Reached, The Air Pump Automatically Stops. The Fifth Custom Mode Allows You To Set Pressure Values Based On The Inflation Object To Meet Various Inflation Needs [compact Portable]the Portable Air Pump Adopts A Compact Cordless Design, Which Is Compact And Convenient To Carry.