This row counter uses magnetic induction, easy to install and accurate counting<br> This electronic counter press Counting/Pause key to stop counting, after 0-30 sec, LCD indication will be automatically off and in standby state. Press the Counting/Pause key again to turn on the indication and continue to count<br> This clicker counter with shockproof design efficiently ensure the stable and reliable system operation, free from mechanical abrasion<br> This digital counter is made of plastic ,which is sturdy and durable,safe and long lifespan<br> This number clicker counter use the common AA battery, free from external power supply<br> <br> This digital counter is made of plastic ,which is sturdy and durable,safe and long lifespan; The working temperature of the magnet should be within 70 degrees;Too high temperature will make the magnet lose its magnetism and further make the induction invalid; Five-digit LCD display, ultra-low power consumption, large and clear display.<br> Features<br> Digital counter<br> -Color: As Shown.<br> -Material: Plastic.<br> -Size: Hole Size:2.5x1.4 Inch.<br> Power supply: 1.5V-AA battery (not included).<br> Usable ambient temperature: -5 to 40C.<br> Magnetic induction range: about 5-10 mm.<br> Maximum counting speed: 20 times per second.<br> Note:<br> 1.The digital counter is not shipped with battery.<br> 2.Due to the different lighting and screen settings, the product color may be slightly different from the picture.<br> 3.Due to different manual measurement methods, please allow slight size differences.<br> Package Including<br> 1 * Digital Counter<br> 1 * Proximity Switch<br> 1 * Mounting Bracket<br> 1 * Magnet