This magnetic induction counter is easy to install and provides accurate counting. Simply press the Count/Pause button to stop counting. After 0-30 seconds, the LCD display will automatically turn off and enter standby mode. Press the Count/Pause button again to reactivate the display and resume counting. The impact-resistant design ensures stable and reliable operation, free from mechanical wear and tear. Made from durable plastic for long-lasting use and safety. Powered by a standard AA battery (not included), eliminating the need for external power. Features a five-digit LCD display for clear readability and ultra-low power consumption. Specifications: - Color: As shown - Material: Plastic - Size: Hole size: 2.5 x 1.4 inches - Power Supply: 1.5V AA battery (not included) - Operating Temperature: -5 to 40°C - Magnetic Induction Range: Approx. 5-10 mm - Maximum Counting Speed: 20 counts per second Note: 1. Battery not included. 2. Color may vary slightly due to lighting and screen settings. 3. Allow for minor size variations due to manual measurement. Includes: 1 x Digital Counter 1 x Proximity Switch 1 x Mounting Bracket 1 x Magnet