1. Material and hardware: Mainly imported from internationally renowned brands. 2. Control method: MCU fully digital PWM control, high sensitivity 3. Braking performance: energy consumption braking and electromagnetic braking 4. Load capacity: Full closed-loop electronic servo control 5. Protection measures: overheat protection functions such as overvoltage, overload, undervoltage, and overheating. 6. The programmer has multiple parameter adjustments, suitable for different configurations of electric wheelchairs. 7. Continuously upgrading and updating its own technology, 8. Some models have added high-end LCD displays for high-end models, 9. Optional: handheld remote control+mobile WeChat mini program Bluetooth remote control