Ideal for rapid, accurate counts. eCount combines a multi-function electronic counter with a Sharpie® pen for marking to prevent missing or double-counting colonies. - Light, ergonomie body is balance for easy manipulation. - Select between an audible beep or an LED flash to acknowledge count. - Store up to 32 separate counts and display the total of all counts. - Count up / down verification. - Quick and easy to change between different colored markers (sold separately) to check different colony counts in the same view. - Lock counter off to allow use of marker without registering more counts. - Package incl. eCount, black marker pen, 3 V CR1225 battery and weighted stand. - Thumb button which allows you to use the eCount as a digital tally as well. Ideal for rapid, accurate counts. eCount combines a multi-function electronic counter with a Sharpie® pen for marking to prevent missing or double-counting colonies. - Light, ergonomie body is balance for easy manipulation. - Select between an audible beep or an LED flash to acknowledge count. - Store up to 32 separate counts and display the total of all counts. - Count up / down verification. - Quick and easy to change between different colored markers (sold separately) to check different colony counts in the same view. - Lock counter off to allow use of marker without registering more counts. - Package incl. eCount, black marker pen, 3 V CR1225 battery and weighted stand. - Thumb button which allows you to use the eCount as a digital tally as well.