Display controls c/o storage off, storage on, storage hold, erase, labels, magnifier; processing functions (channel 1 and 2) c/o input off, input on, input mem, memory store, memory view, averaging, averaging factor; power: 100, 120, 220, or 240v porm 5-10pct, 50 to 60 hz and less than 140va (less than 140w); 3.500 in. H x 16.750 in. W x 21.000 in. D; 27 lb