| Model | 2021N6 (6MOSFET) | 
| Adapted motor | DC Brushless Motor | 
| Control Mode | PWM/FOC | 
| Typical operating voltage | 24V 36V 48V | 
| Power | 250W/300W | 
| Current | 8-12A | 
| Function | CVT; Cruise; Adjustable PAS | 
| 
 Self-checking and fault display; Pedal to propel; Auto dormancy | 
| Connected parts | Speed sensor: Torque sensor; Throttle | 
| Brake lever; LED displayer | 
| Accordant standard | EN15194; EN16949 QB/T2946_2008:UL Certification | 
| Grade of waterproof | IP33 | 
| Dimension | L: 7.7cm W: 4.7cm H: 2.9cm |