| Model | U4 |
| Color | Grey / Black |
| Max speed | 16Km/h |
| Power | 500W |
| Climbing capacity | 15° |
| Voltage | AC110V-220V 50-60Hz |
| Battery volume | 230Wh |
| Range per full charge | 30KM |
| Dimension | 170x410x470mm |
| Hight of pedal | 112mm |
| Tire size | 15 inch |
| Temperature | -10～50℃ |
| Net weight | 11.8KG |
| Max load | 120KG |
Service and protection:
1. Color: Customized colors are accepted when you order more than 50pcs
2. Auto electricity off when falling down
3. Tilt protection: More than 45 degrees, electricy stops working
4. Speed protection: Over 12Km/h will open
5. Battery protection: Power less than 10% will open
