... .7 Certificate:CEFunction requirement:1, Left 2 digital hours,middle 2 digital minutes,right 2 digital seconds,interval use 4 luminescence led2, Time ... ",18",20",22",24",26",28",30",32",34",36",38",40" and so on can customized. GC306 3"GC804 8" (200mm digital ... height) Optional digital height have 0.5",1",1.2",1.5 ...