1、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. 2、BATTERY POWERED: Powered by 5V AA battery (not included), no external power supply required, convenient for use when going out. 3、STABLE STRUCTURE: The counter adopts shockproof design, which can effectively ensure the stable and reliable operation of the system. 4、ABS SHELL: The housing of the digital counter is made of ABS material, light in weight, no mechanical wear and long service life. 5、MULTIPLE USAGES: With far magnetic induction approach and leaving distance, ideal for punching machine, machine tool and assembly line, etc. 1 x Electronic Counter Item Type: Electronic CounterMaterial: ABSBattery Model: 1.5V AA battery x 1 (not included)Counting Range: 0-99999The Highest Counting Frequency: 20HZCounting Minimum Pulse Width: 1MSClear Minimum Pulse Width: 1SMagnet Induction Proximity Distance: Approx. 10-15mm / 0.4- 0.6inMagnet Induction Leaving Distance: Approx. ≥35mm / 1.4in