1. Material: PC+ABS+silicone2. Surface technology: sunburn + polishing3. Size: 65*56*176mm Weight: 570g (including gas pipe 630g)4. Battery capacity: 5000mAh endurance: 0-2.5Bar can hit 2 205/55/R16 car tires5. DC brush motor 22-cylinder movement6. Inflation pressure value range: 0-10.3 bar (0-150PSI)7. Applicable to cars (not large trucks), motorcycles, bicycles, basketballs