This row counter uses magnetic induction, easy to install and accurate counting 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 This clicker counter with shockproof design efficiently ensure the stable and reliable system operation, free from mechanical abrasion This digital counter is made of plastic ,which is sturdy and durable,safe and long lifespan This number clicker counter use the common AA battery, free from external power supply 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. Features Digital counter -Color: As Shown. -Material: Plastic. -Size: Hole Size:2.5x1.4 Inch. Power supply: 1.5V-AA battery (not included). Usable ambient temperature: -5 to 40C. Magnetic induction range: about 5-10 mm. Maximum counting speed: 20 times per second. Note: 1.The digital counter is not shipped with battery. 2.Due to the different lighting and screen settings, the product color may be slightly different from the picture. 3.Due to different manual measurement methods, please allow slight size differences. Package Including 1 * Digital Counter 1 * Proximity Switch 1 * Mounting Bracket 1 * Magnet Our products are made with the highest quality materials and are designed to provide you with the best possible user experience. We strive to ship out all orders within three days of purchase, and the estimated delivery time is 8-15 days. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don''''''''t hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it