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Even in total darkness you can read the minutes and seconds on GraLab's Model 300 Darkroom Timer. It is used in industrial/commercial photo labs, graphic arts, printing, hobbyist darkrooms and is probably the most popular darkroom timer of all time.
Set by seconds, minutes or a combination of the two, GraLab's exclusive dual-cam system gives you exact timing over long intervals.
Two, three-wire receptacles can control an enlarger or printer and safelight with a combination time/focus switch.
Rubber base pads, wall mounting keyholes and a recessed hand grip on the 7-1/2 x 7-1/2 x 2-1/2" polycarbonate case give you multiple placement choices. This item requires a plug adapter (sold separately).
Plastic boot over power switch prevents corrosion from chemicals or water
Buzzer automatically signals end of cycle
Large 6.5" diameter face with easy-to-read numerals
Three wire grounded cord
Model 300 withstands high impact, resists chemicals and moisture, and is electrically nonconductive.