The Gralab Model 450 is a single memory switching timer. It offers simple operations and adjustable, highly visible, 2-digit LED display.
It has easily adjustable membrane controls for display brightness, two countdown time ranges - seconds to 99 and tenths of seconds to 9.9, three audio signal choices - off, metronome and end-of-cycle tone, and AC outlet power "on" or timer controlled operation selection.
Built-in metronome
Temperature range from 0-55C, Humidity range from 0-95% non-condensing
Backlit keys