1. Magnet Induction: The counter adopts magnet induction, which is simple and convenient to install, can count accurately 2. AA Battery: The counter uses ordinary AA battery, no external power supply is required, and the battery is easy to replace, battery not included 3. Anti Shock Design: The counter is designed for shock resistant, which can effectively ensure the stable and reliable operation of the system 4. Stable and Reliable: The counter has no mechanical wear, can stable and reliable to operate, has long service life 5. Widely Application: This counter can be used in punching equipment, printing and textile machines, assembly lines, auto repair equipment, etc. Item Type: Punch Electronic CounterMaterial: ABSBattery Model: 1.5V AA battery (not included)Counting Range: 0-99999Count Maximum Frequency: 20HZCounting Minimum Pulse Width: 1MSClear Minimum Pulse Width: 1SMagnet Induction Proximity Distance: Approx.10-15mm/ 0.4- 0.6inMagnetic Induction Connection Distance: Approx.≥35mm/ 1.4in