Material: ABS+silicone, Surface technology: sun shading+polishing, Size: 52x52x171mm, weight: 510g (excluding cable), cable length: 3m, Range: Continuous use for 15 minutes, approximately 9 minutes with 205/R16 tires fully charged DC brush motor: 20 cylinder movement; Maximum air pressure ≤ 3.5bar, Support four modes of inflation: car, motorcycle, bicycle and basketball.