Led timer,led countdown clock,led countdown timerSpecification:1,Case size:50cmX10cmX5.5cm2,Led display:use 18 digital 1.8" red 7-segment led display3,Faceplate is siler gray and carved black character,frame and cover board is blackPVC material4,Transformer,mainboard and remote control incept caput is installed in safe days5,operate environment:temperature -10°C~50°C,relative humidity: 0~95%6,Power source:AC110-250V7,Time format:24 hours8,Clock precision:daily error less than 2 seconds producing area:hangzhou