SYSTEM HIGHLIGHTS High Quality Magnification: IUL’s DOT Colony Counter has a large 200 mm diameter lens with a DINx2 magnification power. Pointer Technology: Colonies are counted by directly touching these with a pointer or by marking them on the Petri dish with a felt tip pen. Adapted for any plate: Multiple adapters are available 60 mm, 70 mm, 80 mm, 90 mm,100 mm, 120 mm, and 150 mm. Send colony counts to PC applications through USB: Colony counts can be sent to PC applications such as a spreadsheet. Results are sent as standard PC keyboard keystrokes. Lightning scalable intensities: Bottom light, 4 selectable intensities, On/Off switching powered from the instrument. Upper light (depending of the glass magnifier ordered), On/Off switching powered from the instrument.