[4+N INFLATION MODES] The air compressor has 4 pressure units: PSI, KPA, BAR, KG/CM. There are 4 preset inflation modes for bicycle, motorcycle, car and ball. The fifth customized mode also allows you to set the pressure value according to the inflation object to meet various inflation needs. A must-have for everyday life and traveling. We provide our customers with one year free after-sales service, including replacement. Multi-functional Air CompressorBesides being a portable air compressor, it can also be used as a multi-functional emergency tool. With 3 lights, LED, SOS and flash light, it is suitable for inflating at night and traveling to increase strength. The top is also equipped with C-type charging port, car plug charging port and USB output port, which can be used as an emergency power source for electronic devices. LARGE DISPLAY & AUTO-STOP DESIGNLarge LED display shows the pressure value and preset value in real time, easy to monitor the tire pressure status. The auto shut-off design also prevents over-inflation and is safe to use. [Portable Design] Cordless tire inflator adopts compact and cordless design, small size. It comes with a pouch for easy storage in your car, bike rack or backpack, perfect for traveling or inflating at home. The cordless tire inflator includes multiple accessories and is a must-have for drivers, bikers and adventurers. LONG LASTING POWER TIRE INFLATORThis tire inflator has a built-in 20,000mAh rechargeable battery that supplies power without the need to connect to an external power source. Inflates twice as fast as other ordinary cordless inflators on the market.