Bob Lunn 06/30/97 11:21 AM >>How big are the digits? > >12mm high, 4 digits + colon, several decimal points, and am/pm indicator --> ~42mm >wide. I recommend a panel opening 18mm x 48mm. By my count this is 33 segments. The MM5452 that Andy recommended only drives 32 segments. Instead, use the MM5453 which can indeed drive 33 segments. ___Bob