... .8inch indoor red day led countdown clock 1,with CE RoHS 2,high brightness 3,indoor ... led countdown clock with alarm Parameter1,led clock size:530*100*40mm2,character of led clock : 10digits 1.8inch3,led clock Frame: ... Aluminium alloy3, Faceplate: Display window cover glassTechnical norms1,clock precision Less than2 seconds on a daily basis2, ... alibaba express indoor day led countdown clock with alarm