... led digital clock 100% feedback Led digital clock with computer RS232/485 communication 1 led digital clock iterm GC406 Case ... 4",5",6",8",10",12",14",16",18",20",22",24",26",28",30",32",34",36",38",40" ... 4",5",6",8",10",12",14",16",18",20",22",24",26",28",30",32",34",36",38",40" ... from the glare of the sun. The louvers were computer modeled to optimize the view from onlookers below while blocking ...