WIDE COUNTING RANGE: The electronic counter is designed with magnet induction, the counting range is 0-99999, and it has a wide range of applications. MULTIPLE USAGES: This Electronic Counter with magnetic induction approach and leaving distance, perfect for punching machine, machine tool and assembly line, etc. Power supply: 1.5V -- AA No.5 battery Counting range: -99999 cycles Maximum counting frequency: 20Hz Minimum counting pulse width: 2ms Magnet induction approach distance: 10-15mm Magnet induction distance: 35mm Reset mode: panel R / external terminal Minimum clear pulse width: 1 second temperature: - 5-40 color:White :plastic Package Contents: 1 x Electronic Counter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.