Ensure error-free counting with pen
The Counter-Pen is a combination marker and digital counter. Each time a black mark is made with the felt-tipped pen, it automatically sounds a beep and
The Counter-Pen is a combination marker and digital counter. Each time a black mark is made with the felt-tipped pen, it automatically sounds a beep and an LCD indicates the counts. Marks hold the user’s place and the counter holds the total, making it almost impossible for errors to occur. Control Co., Friendswood, Texas
