Built-in lithium battery:The rechargeable electric pump can be inflated for emergency, the battery in the full charging could inflate an empty tire. Smart & Automatic Tire Inflator: preset and monitor tire pressure,automatically shut off when desired pressure is reached.Providing a safe and reliable use guarantee. Fast Pumping to Save Your Flat Tires: Electric tire pump can fully inflate a flat car tire in 3-6 minutes with a fast pumping system, this electric tire pump easy to preset the desired pressure and test the tire pressure. automatically shut off when pressure is reached. Easy to use at Night: Tire inflator with gauge LCD and LED lighting. LED light can help you inflating and repairing in dark or for walking at night.you can see everything clearly. with LCD digital display, it's easy to read day and night. Portable Design:Abandon the cumbersome design of the traditional model, ACP1E has only one-third the weight of a conventional air pump. The handy size is perfect for keeping in one hand. Small enough to fits in your glove box, easy to pack in your bag. Specification: Vlotage:7A Power:80W Fit for:Universal Size:11.8x13x4cm 4.65x5.12x1.57 inch Package Includes: 1 x Car air pump 3 x Gas nozzle