1、SIX DIGIT CLEAR DISPLAY: Six digit large screen LCD display, possess ultra low power consumption, long battery life, large and clear display 2、EASY TO OPERATE: Press the pause switch(POWER) for one second to pause the count, save the data, and enter the shutdown state, press the pause switch again for one minute to turn on the screen display and resume the count 3、ACCURATE AND CONVENIENT: This counter using magnet induction, simple and convenient installation, bring accurate counting 4、FAST COUNTING SPEED: Panel mounted fixing screws have a maximum counting speed of 20 times per second, 1200 times per minute. When the magnet is sensed, the ok indicator will be displayed on the screen 5、EASY BATTERY REPLACEMENT: Using ordinary AA batteries(not included), no external power supply is required, and the battery is easy to replace, very convenient 6、SEISMIC PROOF AND DURABLE: Adopt seismic proof design, effectively ensure the stable and reliable operation of the system, no mechanical wear with long service life 1 x Counter1 x Magnetic Control Induction Switch1 x Magnet1 x Bracket Item Type: Digital CounterMaterial: ABSBattery Model: 1 x 1.5V AA battery(not included)Counting Range: 0-999999Highest Frequency of Counting: 20HZCounting Minimum Pulse Width: 2MSMagnet Induction Proximity Distance: Approx. 10 ~ 15mm / 0.39 ~ 0.59inMagnetic Induction Distance: ≥ Approx. 35mm / 1.38inClear Minimum Pulse Width: 1SAmbient Temperature: -5℃~40℃Dimension: Approx. 68 x 30 x 45mm / 2.68 x 1.18 x 1.77inHole Size: Approx. 61 x 35mm / 2.4 x 1.38in(The size may be certain error due to manual measurement)