The motor has the functions of resistance rebound, infrared induction, electronic limit, automatic closing, LED lighting, and ventilation, etc., with manual clutch (when the power is cut off to achieve the function of manual opening and closing). Under the condition that the door is in equilibrium, the height of the door should not exceed 5 meters, and the width is not limited. The maximum tension of the motor can reach 50 kg. Suitable for household, store electric curtain door and garage door.