ideal for fast and practical manual counting of colonies on any agar in petri dishes. The versatile unique design accepts petri dishes from 40 mm to 100 mm. intelligent counter with LED digitron display allows fast and precise count of the colonies between 0 - 999. Numericals on the counter can be adjusted backward and forward manually. Featured with a 90 mm high quality magnifier with 3x / 9x magnification power magnifier attached to a goose neck, flexible holder. Flexible holder enables both magnifying lens position and illumination angle adjustable in multiangular axes. Counting table is featured with a backward LED illumination with variable light control. Circular LED illumination system offers a shadow and flicker free illumination.