Feature: 1. With LCD Display: Intelligent preset, LCD display reads real time data and tire pressure detection; preset and implemented test values are displayed at the same time; honeycomb heat dissipation design ensures safety. 2. Multiple Protections: This portable car charger starter combines safety protections such as overcharge, overcurrent, short circuit, reverse polarity, low temperature, high temperature, overvoltage, overload, reverse charging, automatic connection detection and real time visual alarm. 3. Multi Purpose: It can be used for emergency starting of cars, tire inflation, lighting, warning lights and so on. Small size, easy to carry. 4. Five Inflation Modes: Bike, motorcycle, car, and ball, and a fifth free mode that allows you to set the pressure value according to the object to be inflated. 5. Four Measurement Units: PSI, KPA, BAR, and KG/CM to meet the various inflation needs of the public. Specification: Specifications: Model: ST9634 Pro Material: ABS Rated Voltage: DC 14.5V Rated Power: 150W Maximum Current: 8A Maximum Air Pressure: 150PSI Inflation Speed: 22L/Min Pressure Unit: PSI, BAR, KPA, KG/C ㎡ (adjustable) Inflatable Tube Length:About 600mm Battery Capacity: 4 * 2500mAh Cylinder Specification: 22 cylinders Item Size: 213 * 99 * 123mm / 8.38 * 3.89 * 4.84in. Package List: 1 * Car Jump Starter with Air Compressor 4 * Air Nozzles 1 * USB Cable 1 * Smart Jumper Cable 1 * 12V DC Power Cord 1 * Inflatable Tube 1 * User Manual (English)