| Model | 2021N18 (18MOSFET) | 
| Control Mode | PWM/FOC | 
| Voltage | 36V/48V | 
| Power | 1KW | 
| Current | 40A | 
| Communication protocol | Can Bus; Uart | 
| Function | CVT; Cruise; Adjustable PAS: Auto dormancy | 
| Connected parts | Speed sensor; Torque sensor; Throttle | 
| Displayer | LED displayer;LCD displayer | 
| Accordant standard | EN15194 2017: QB/T2946 2008 | 
| Grade of waterproof | IP67 | 
| Dimension | L: 11 .5cm W: 6.2cm H: 3.0cm |