Advantages:

1. precise and reliable brushless motor + encoder precision control + precision clutch, 8 million stable operation, locker lock, unlock, run more accurate and reliable.

2. Mechanical + infrared induction + circuit control triple anti-pinch anti-collision, illegal intrusion and trailing alarm, free power failure, in line with fire requirements.

3.The whole system runs smoothly and silently, and has fault self-test and alarm prompt function, which is convenient for maintenance and use.