1, photoelectricity protection: the post below photoelectric protection, the door in the process of decline, the infrared photoelectric emission, such as being cut off, the door will rebound, avoid harmful and unnecessary damage.
2, the airbag: under the door pocket at the bottom can be installed airbag, when the door in the hidden process, encounter a person or object will automatically rebound.
3, the sealing performance: strong sealing capability, no dust, high stability, easy to clean, bottom is provided with a heavier PVC bottom pocket, can be tightly combined with the uneven ground, the both sides are provided with sealing brush, can reduce the noise increases the sealing effect.