The Hemingson Car Jump Starter with Air Compressor is a versatile portable unit with a capacity of 18000mAh and a peak amps of 3000 amps. It features 4 different nozzles for inflating cars, motorcycles, bikes, and balls, making it a must-have tool for vehicle maintenance. The 12V jump starter also includes an oversized LCD display and comes with a 12V car battery jump box jumper starter. Manufactured by HEMINGSON in China, this set includes 1 unit and is designed to provide reliable and efficient power to your vehicle in need.