1. Frame material: chromium molybdenum steel
2. Wheel: 20x4.0 inch
3. Max. loading weight: 256lbs
4. Recommended height: 55-90 inches
5. Max. speed: 30MPH/h (7 gears adjustable)
6. Waterproof: IPX5
7. Battery: 48V 18AH
8. Motor: 750W
9. Charger: AC-DC 54.6V 2A 100-240V
10. Charging tine: 2-6 hours