Rapid air replenishment: turbocharged, powerful, and air replenishment in seconds Accurate pressure measurement: equipped with intelligent chips to accurately detect tire pressure Lighting: Provides two lighting modes (constant light/flashing mode) for worry free use at night Long lasting range: Built-in large capacity lithium battery, available for one year on one charge Intelligent digital display: Intelligent digital display screen, easy and fast operation Power bank function: Equipped with TYPE-C interface for fast charging of mobile phones Specifications: Product model: ST-9617 Product material: ABS Size: 15 * 7.9 * 4.5cm Battery capacity: 2 * 2000mAh lithium batteries Working voltage: 7.4V/12V dual voltage Working current: ≤ 6A Piston diameter: 17mm Maximum air pressure: 0-150PSI, actual maximum pressure: 110PSI Accuracy: ± 1.5psi Air volume: 15L/min Continuous working time: 8-10min Lithium battery full charge working time: about 20 minutes, capable of driving 2 tires when fully charged 195/65R15 0-30 psi inflation time: 8-9 minutes Type-C charging cable: about 80mm Charging time: 5-6h Work time: 30 minutes Length of air hose: 100mm ± 10mm