Features 1. Wireless fast charging, fast and convenient. Upgrade the full touch screen to achieve wireless fast inflation, simple and user-friendly. 7th generation lightning fast charging technology, quickly getting out of trouble at critical moments 2. Real time tire pressure on the upper screen, preset tire pressure on the lower screen, dual screen digital display, touch screen control, 1-second hands-on experience. Dual screen real-time monitoring of current tire pressure, with clear tire pressure status at a glance. 3. Spiral inflation tube, vortex airflow pressurization, using the principle of counter rotation, the airflow is pressurized through the trachea to enhance inflation power. 4. USB charging, worry free when traveling, can not only inflate the car, but also charge other electronic devices. 5. LED lighting group, lights up the entire vehicle at night, no need to panic in case of emergencies, worry free inflation at night. Specification Product material: ABS External dimensions: 14.5 x 8 x 4.6 mm Battery capacity: 2 x 1800mAh lithium batteries - LCD display Working voltage: 7.4v Rated input: 5V1A Piston diameter: 17mm Rated power: 45W Pressure range: Pressure: 3-150PSI Accuracy: 1.5psi Air volume: 16L/min Continuous working time: 8-10 minutes, Time: Lithium battery fully charged Working time: about 20 minutes Full charge can tire 2 tires 195/65R15 0-30 psi Inflation time: 8-9 minutes Type-C charging cable: approximately 80mm, Charging time: 3-5 hours Charging interface: Type-C Usage time: 30 minutes Length of air hose: 320mm 10mm Net weight of product: 450g Product gross weight: 670g (including packaging accessories, etc.) Color box size: 205 * 155 * 85mm Operating temperature: -20 ~60 List of accessories: ST-9616C Wireless: 1 host, 1 inflation hose, 4-piece set of inflation nozzles, Type-C charging cable, cloth bag, instruction manual, color box Operating temperature: -20 ~60 Package Include: 1x Air Pump for Car