Item no:AT-MB 

可獨立操控或共同操控
最大推拉力可達300N
反推動力可達2000N
可開啟窗戶達4000mm

Separate open or dual open
Max pull / push force is 300N
Retention force is up to 200N
Window opening as wide as 4000mm

AT-MA
電動多窗戶開窗系統
Electric multi-window opening system

AT-MT
手動臂開窗系統
Manual Torque Arm opening system