Feature 1Quick inflation and accurate pressure measurement: The efficient motor and cylinder design allows for quick inflation, saving you valuable time. Equipped with a built in pressure sensor, it can accurately measure tire pressure and ensure that the tire pressure meets safety standards. 2Portable Design and Wireless Intelligent Inflation Pump: Lightweight and portable, convenient to carry in the vehicle trunk or carry around, solving tire inflation problems anytime and anywhere. No need for external power supply, built in battery, convenient to use, avoiding the trouble of finding power sockets. 3Equipped with built in lighting and automatic charging and stopping: Equipped with LED light, convenient for use at night or in low light environments, ensuring safe inflation operation After setting the expected tire pressure, the inflation pump will automatically stop inflating to avoid over inflation or under inflation. 4Intelligent display: LCD display screen, intelligent display screen, real time display of tire pressure, timely understanding of inflation progress. making it convenient to operate and master the inflation situation. 5Large capacity battery power supply: Paired with a 1500 * 5mah high capacity battery, it has a long standby time and strong battery life, meeting various inflation needs. Specifications: Item Name: Portable Air Pump for Car Tires Material: ABS Cylinder Diameter: 22mm Working Time: 195/65R19 0-30 psi Inflation Time: 3-4 minutes 0-40 psi Inflation Time: 4-5 Minutes Current: 9A Tracheal Length: Tracheal extraction length 500 10mm, including nozzle and adapter interface Barometer: Can preset digital pressure gauge, with a range of 150psi and a control accuracy of 0.05psi Battery full charge working time: about 30 minutes, can run 8 tires when fully charged Battery: 21V 1500 * 5mah Pressure: 0-150PSI Exhaust Volume: 35L/Min Charging Time: 4-5 hours Continuous Working Time: 30 Minutes Application: Automotive tires, motorcycle tires, bicycle tires, balls, etc. Function: Pressure detection, inflation, lighting Item Size: 14.5cm/5.7inch*23cm/9inch Package Size: 26*19*9.5cm Package Weight: 1200g Package List 1* Portable Car Tires Pump 1* Inflation Hose 1* Charging Cable with Plug 4* Inflation Nozzles