3 Review(s)

100% Brand New and High Quality Easy to Operate, Widely Use to All the Statistics Occasions Lightweight Heavy Steel Finish and Rotating Operation for Resetting of Digits No Sound Super Quite Operation Wear on Index Finger and Use Thumb to Operate Helps You to Avoid Memorizing Large Numbers Mechanically Jumps by Every Press, Quick Reaction Zero Reset Knob at Side 4-Digit Display Counting Range: 0000-9999 Counting Speed: 300 Number /S (Based on the Human's Reaction Speed)