Colony Counter Product Features :

• Pressure sensor design, no contamination
  Pressure sensor design allows users to operate with any marking pens. No worries about sample spoiled or contaminated.
• 4-display panel
  The panel shows up to 4 counts, including current and the most recent three counting(s).
• User-friendly design
  (1) Auto average: Calculating average of multiple counts with a single press.
  (2) BACK button: Opportunity to count back when over-counting by mistake.
  (3) Compatible with Petri-dishes in various diameters.