Long Battery Life: This air pump has sufficient power reserve and has a long battery life on a single charge. The tire inflator air compressor is built with a 12V 2000mAh lithium battery, fast charging and long battery life. The long battery life solves your worries. Fast Heat Dissipation: The product adopts a metal cylinder, which has stable and fast heat dissipation, reduces body heat when using, and reduces noise at the same time. LED Design: The product comes with an LED light, which is convenient for charging the LED light at night. Intelligent Digital Display: This product is preset to stop when the tire pressure is full, no need to stare at the pressure gauge all the time. Warm Service: You will love this practical product. But if you are not completely satisfied with our product, please contact us without hesitation.