Colony Counter Pen 155 x 19 x 19mm

• Number of counts: - 99999
• Display: 5-digit digital liquid crystal
• Power supply: LR41 button cell x 1 piece (included for test)
• Size: 155 x 19 x 19mm
• Weight: Approx 20g
• With pen (black)
• Model number: 3133Counter-Pen
• Body
• Count of colonies can be done easily with one hand.
• Operation beeps with each count enables reliable count.