... ,we can supply u all kinds of 7 segment LED 2,long life-span 3,high reliability 4, ... in the design and manufacturing Quartz clock and LED digital clock with multifunction. We can supply you ... supply u all kinds of 7 segment LED2,long life-span3,high reliability4,color digit:red,blue,green,white5, ... voltage:DC1.6V-DC3.8V7,color digit:red,white,green,whiteSimilar Item Four digits seven segment LED display