1, Material: ABS+ silicone 2. Surface technology: sunburn + polishing 3, Size: 5252171mm; Weight: 510g (without wire); Cable length: 3m 4. Endurance: 15 minutes of continuous use, about 9 minutes of full 205/R16 tires 5, DC brush motor: 20-cylinder movement; Maximum air pressure≤ 3.5 bar 6. Support car, motorcycle, bicycle, basketball four modes of inflatable