... AJ50 Aluminum roller door,rolling door,garage door,slat width50mm,made of aluminum 6063-T5 AJ50 Aluminum roller door,rolling door,garage doorRaw material:Use the high hardness aluminum ... control:1) As the shutters are compeletely locked, when the window is force on the lock the system will start to ... alarm;Using project: Suit for store,window,veranda,aisle,suitable width ≤3.5meters;