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 you to hang it around your neck or wrist for added convenience and security. DURABLE QUALITY: The counter features a high-quality ABS plastic outer shell that is wear-resistant and impact-resistant, providing long-lasting durability. It is powered by an included LR44 button battery, offering extended operation life of over 250 hours, minimizing the need for frequent battery replacements. EASY TO OPERATE: Press the on/off button to power the device. When turned on, the screen displays "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 on/off button until the display shows "0". CLEAR AND ACCURATE: Equipped with a 4-digit LCD display, this electronic clicker can show numbers 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 where accurate counting is required. Ideal for use in warehouses and docks for inventory tracking, monitoring foot or vehicle traffic at streets and stations, and counting during sports activities such as golf, football, swimming, running, and jump rope.