... multiple programmable modes including provision to interface with builidng security system, monitoring the doors position status,built-in UPS,etcb) ... passaged) The microcontroller also provide the interface for alarming system ,safety system ,etce)Fuse protection at 3A, 250Vf)Protection when working ... have big power to hold 150kg panels, work a long time and noise is 50db to 60db.b)With the help of ...