5 MINS INFLATION: Inflate a 195/65 R15 tire to 30 PSI in five minutes. And four additional preset modes, along with three adaptors, let you inflate anything! 99.9% ACCURACY: ±1 PSI accuracy and auto shut-off when the preset pressure is reached. Read tire pressure status in real-time. BUILT TO LAST: Built-In 7,800mAh rechargeable lithium battery provides power to inflate all your tires and maintains its charge for up to 300 days, so it’s ready when needed. EASY TO USE: Enjoy a super friendly user experience with real-time information on the screen. Portable without AC/DC. No more fumbling with cords. WE GOT YOU BACK: Rugged build for a life of adventure and features 365 days of standby. 12 months of hassle-free warranty and lifetime technical support. Contact us anytime with any questions.