This row counter uses magnetic induction, is easy to install and has accurate counting. This electronic counter presses the Count/Pause button to stop counting, after 0-30 seconds the LCD indication automatically turns off and is in standby mode. Press the Count/Pause button again to turn on the indication and continue counting. This click counter with shockproof design effectively ensures stable and reliable system operation, free from mechanical wear. This digital counter is made of plastic, which is robust and durable, safe and has a long service life. This number counter uses the common AA battery, free from external power supply. Description: This digital counter is made of plastic, which is robust and durable, safe and has a long service life; The working temperature of the magnet should be within 70 degrees; Too high temperature causes the magnet to lose its magnetism and further invalidates the induction; 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 inches. Power supply: 1.5V-AA battery (not included). Usable ambient temperature: -5 to 40C. Magnetic induction range: approx. 5-10 mm. Maximum counting speed: 20 times per second. Note: 1. The digital counter does not come with a battery. 2. Due to the different light and screen settings, the product color may differ slightly from the picture. 3. Due to different manual measurement methods, please allow slight size differences. Package includes 1 * Digital counter 1 * Proximity switch 1 * Mounting bracket 1 * Magnet