This Cordless Rechargeable air compressor tire inflator has 4 switchable unit values (PSI, BAR, KPA, KG/CM²). Just Hold the “power” button for 3s, to change units. Our auto tire pump air compressor 12V convoys your safety all the way. You can preset the pressure, and when the tire inflator reaches the desired pressure, the car air compressor will automatically turn off which can be avoided overinflating. This air compressor 12V has a built-in 2000mAh super-capacity lithium battery. It has a Dual Charging Method. You can charge it from Micro USB & Car Charger. It has a charging indicator light and it will turn blue when fully charged. This Portable Air Compressor 12V Has Full !!! Features: Portable and Easy to Carry Stronger Power & Faster Inflation Battery-powered Dual Input Voltage: 12V & 5v 4 switchable weight units Auto Shut off Bright LED lights LCD Display with backlight Application: ThisAir Compressor 12V can inflate bikes, cars, bicycles it also inflates balls, pool toys, air mattresses, & more Specification: Product: Air Compressor 12V Material: aluminum Car Power Input: 12V USB Power Input: 5V 2A Power: 2000mAh Built-in rechargeable battery Dual Charging Method: Micro USB & Car Charger Charging Time: About 2Hrs Pressure units: PSI, BAR, KPA, KG/CM2 Max Inflation Pressure: 150PSI Power cord length: about 3M Air hose length: approx. 15cm (5.9 inches) Size: (L x W) : 246 × 56mm approx Weight: 436G Color: Black Package Include: 1 x Air Compressor 12V 1 x USB Charging Cable 1 x Cigarette Lighter Charging Cable 1 x Air Hose 1 x Presta Valve 1 x Ball Needle 1 x Toy Nozzle 1 x User Manual 1 x Retail Box