ITEM NAME:5 Digit Digital LED Counter Punch Inductive Proximity Switches + Strong Magnetic 100% brand new and high quality. 1. 0-99999 5 digit large LCD screen display the counting date, low power consumption, easy to read 2. Use magnetic induction, easy to install and precise counting 3. Maximum counting speed: 20 times per second 4. Reset: through pressing the Reset buttons on board or exterior 5. Shockproof design efficiently ensure the stable and reliable system operation 6. Free from mechanical abrasion, safe work, long lifespan Specifications: Power Supply: 1.5V AA Battery( Not Included) Reset Modes: Board/Exterior Counting Range: 0-99999 Available Ambient Temperature: -5-40 °C Minimum Counting PW: 10mS Distance within the magnetic induction: about 5-10 mm Distance outside of the magnetic induction: ≠¥ 30mm Dimension: 64x38x38mm/2.52x1.50x1.50" Hole size: 61x36mm/2.40x1.42" Quantity: 1 Set Note: Please allow 1-3mm error due to manual measurement..LCD Digital 5-Digit Punch Counter w/Strong Magnetic Proximity Switch & Support. 1 x Magetic Proximity Switch. 0-99999 5 digit large LCD screen display the counting date, low power consumption, easy to read.