COMPACT AND LIGHTWEIGHT: This digital hand tally counter measures 6.6 x 3.5 x 2 cm and weighs approximately 20g, making it compact and portable. It can be easily carried in a pocket for convenient use anytime, anywhere. A lanyard is included, allowing it to be worn around the neck or wrist for added convenience and security. DURABLE QUALITY: Constructed with a high-quality ABS plastic outer shell, this counter is resistant to wear and impact, providing long-lasting durability. It is powered by an included LR44 button battery, offering extended operation for over 250 hours, minimizing the need for frequent battery replacements. EASY TO OPERATE: Turn the device on or off using the power button. When powered on, the display shows "0". To count, press the "+" button to increment the count and the "-" button to decrement. To reset the count to zero, press and hold the power button until the display reads "0". CLEAR AND ACCURATE: Equipped with a 4-digit LCD display, this electronic counter can show values from 0 to 9999 (does not support negative numbers). Each press of the button updates the count clearly and accurately on the screen, helping prevent counting errors. WIDE APPLICATION: This counter is suitable for various environments and use cases requiring accurate counting. Ideal for use in warehouses, docks, and logistics for inventory tracking. It can also be used to monitor foot traffic or vehicle counts in public areas, as well as for tracking repetitions in sports activities such as golf, football, swimming, running, and jump rope.