This hand tally counter is a function of the manual compass counter, It’s widely used in a variety of data statistics, meeting the number of out-degree. Traffic. The number of aircraft. Laboratory analysis of count. Goods inventory, and so on occasions and Statistics, with a longer service life, reliable. adapt broad and easy to use, easy to carry and so on. Technical parameters: Calculating range 00000-99999 Counte time/indicated value 1:1 Returns to the zero way Revolves the zero Error ±1+10000