... manufacturing Quartz clock and LED digital clock with multifunction. We can supply you products in good designs,high quality,reasonable price and ... prompt delivery time. 1,we can supply u all kinds of 7 segment LED2,long life-span3,high reliability4,color digit ... quality6,input voltage:DC1.6V-DC3.8V7,color digit:red,white,green,white 3 digits seven segment LED display