Long Battery Life: This air pump has ample power reserves and a long battery life on a single charge. The tire inflator air compressor is built with a 12V 2000mAh lithium battery, offering fast charging and extended battery life. The long battery life eliminates your worries. Rapid Heat Dissipation: The product uses a metal cylinder, which provides stable and rapid heat dissipation, reducing body heat during use and minimizing noise. LED Design: The product comes with an LED light, making it convenient to charge at night. Smart Digital Display: This product is preset to automatically shut off when the tire pressure is full, eliminating the need to constantly monitor the gauge. Friendly Service: You'll love this practical product. But if you are not completely satisfied with our product, please contact us without hesitation.