ATJ-8466 Portable Car Tire Air Pump Digital Display Wireless Electric Air Pump, Style: Dual PowerFeatures 1. Full auto-stop, accurate detection, and preset tire pressure to ensure travel safety. 2. Built-in large-capacity lithium battery with 30min long battery life. 3. LED lighting makes it easy to cheer up even in dark environments. 4. Adopting an intelligent cooling system, the heat dissipation speed is increased and it is not easy to get hot when inflated. 5. The smart display screen is still clearly visible under the sun and is highly practical. 6. Compact and portable, takes up no space, can be stored flexibly, and is convenient for travel. Parameters 1. Product size: 49x87x135mm 2. Battery capacity: 2 2000mAh lithium batteries 3. Product power: 50W 4. Working voltage: DC 7.4V 5. Working current: less than or equal to 7A 6. Piston diameter: 19mm 7. Maximum air pressure: 150psi 8. Accuracy: +-1.5psi 9. Air volume: 35Lmin 10. LED light lumen value: 20LM 11. Noise: less than 85db 12. Charging time: about 2-3 hours 13. Usage time: 40min 14. USB line voltage: 5V 15. Air hose length: 200mm+-10mm 16. Functions: Inflatable, flashlight, SOS rescue, mobile power supply, lighting Packing List: Air pump x 1 Instructions x 1 Type-C charging cable x 1 Cigarette lighter connector x 1 French valve x 1 Accessory valve x 3 Inflatable tube x 1 fuse x 1 Color box x 1