Gralab 451R Darkroom Timer

The Gralab 451R is the correct equipment for darkroom photo development. This dual memory switcher comes with two separate programmable memories for allowing single switching and continuous cycling. The 100% solid state architecture ensures digital accuracy for n-number of iterations. Its simple control structure having two LEDs, visible buttons, and two timing knobs. The timer has a counting range of 99 for minutes and seconds, and 9.9 for tenths of a second. This Gralab timer has a built-in metronome to count beats when stopping down the aperture. The backlit keys are easy to spot when working in the darkroom. Its durable plastic exterior has rubber base pads and keyholes on the backside.