Led Digital Clock ,led countdown clock.can display HH:MM:SSHH:MM 8" 7-segment red led display,SS 2.3" 7-segment red led Led Digital ClockFeathers led clock,led countdown clock1,led clock can display HH:MM:SS2,size:930*340*55mm3,HH:MM 8" 7-segment red led display,SS 2.3" 7-segment red led display.4,24 hours format5,Operation environment :-10oC~50oC,humidity:0~80% Led Digital Clock