... Remote controlinfrared remote control.7 Certificate:CEFunction requirement:1, Left 2 digital hours,middle 2 digital minutes, ... "case dimension710*160*40mmBrightnessindoor brightnessViewing Distance(m)1-50metersView AngleH:120°,V55°Display formatHH:MMTime ... hoursOptional digital height have 0.5",1",1.2",1.5",1.8",2.3",3",4",5", ... height) Optional digital height have 0.5",1",1.2",1.5",1.8",2.3",3",4",5",6 ...