Simmtronics Semiconductors Ltd offers Digital Clocks with Four Digit or Six Digit LED Display. Simmtronics Semiconductors Ltd is an ISO 9001 certified company. The Company also manufactures various types of memory modules, motherboards and VGA cards and led products. The Digital Clocks with Four Digit or Six Digit LED Display finds an application in railway stations, airports, factory premises, research centres, examination halls etc. The Digital Clocks with Four Digit or Six Digit LED Display has 1.8", 2.5", 4", 12", 18" and 22" digit sizes and alphanumeric displays. These Digital Clocks have PC communication and lithium battery which ensures correct time after power failure.