The 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. Time setting knobs are easy to grasp and click into place for each time increment. The start/reset bar is easily identified and activated by the touch of a finger. Features Industrial and time-lapse photography, animal feeding and stimulus, water analysis, centrifuges, solenoid switching, to name a few.

• Highly visible 2 digit LED display.
• Accessory outlet allows automatic switching of external device.
• Metronome or end of cycle tone notification.
• Accuracy: +/- .01% @ 1 second
• Limited one-year warranty