Colonies can be counted easily with one hand.
An operation sound is heard for each count, so you can count accurately. Count number: up to 99999
Display: 5-digit digital LCD
Power supply: 1 x LR41 button battery (included for testing)
Size: 155 x 19 x 19 mm
Weight: Approx. 20g
Pen (black) included
Ink: Water-based (contains alcohol)
Model number: 3133Counter-Pen
Main unit
