轻重两用，承载能力大。
安装简便。
Microcomputer intelligent control and advanced machinery
manufacturing.
Automatic adjustment of the running state of the door fan, if
necessary, can be manually adjusted.
Open and close smoothly, low noise.
Brushless motor, long service life.
Double door interlock and electronic lock function, support a
variety of access control system.
Heavy and light dual use, large carrying capacity. .
Installation is simple.
