The GraLab Model 300 Analog Darkroom Enlarger Timer is a reliable and durable timer specifically designed for film photography in darkroom settings. With its sleek black and gray color scheme and compact dimensions of 7 3/4" inches in height, length, and 4 inches in width, this timer is both functional and visually appealing. Its most notable feature is the audible buzzer, which ensures that you are aware of when your time is up while working in the darkroom. At 2.3 lbs.this timer is lightweight and easy to handle during your film photography projects. Trust the GraLab brand for quality and precision in your darkroom enlarging needs.Working all the way