1. Material: ABS+electronic components 2. Inflatable tube length: 15cm 3. Power/Voltage: 120W/DC 12V, 7.4V 4. Cylinder diameter: 17mm 5. Charging time: 4 hours 6. Air pump flow: 30L/min 7. Air pressure range: 0.2~10.3bar/3~150psi 8. Inflation noise (at one meter): less than 85 decibels 9. Number of tires when fully charged: 3 tires (195/55R15 tires) 10. Set pressure: 150PSI (MAX) 11. Vehicle cable length: 3 meters 12. Wireless upgrade model with power bank function 13. Wireless battery capacity: 1800 mAh x2 14. Wireless dual-purpose battery capacity: 1500 mAh x3 15. When the valve is connected, the tire pressure can be automatically detected accurately and without error, adapting to various needs. 16. Temperature control chip, heat dissipation holes + spiral fan blades, low temperature fast charging without damaging the car 17. LED emergency lighting, inflatable at night without getting dark 18. Dimensions: 9.5x13x6 cm