Close the door: close the door leaf, the sensor senses, click the close button, the sealing strip in the door leaf groove inflates and expands, and the door frame forms a strict seal
Open the door: click the button to open the door, the airbag will deflate, shrink in the groove of the door leaf, and the door leaf can be opened.
Emergency: In an emergency, press the red emergency button, the system will be powered off, the airbag will be deflated, and the door leaf can be opened
Alarm: When the air source pressure value is less than the set value of the system, a buzzing alarm will remind you.