COMPACT AND LIGHTWEIGHT: This digital hand tally counter measures 6.6 x 3.5 x 2 cm and weighs approximately 20 grams. Its compact and lightweight design allows you to carry it in your pocket for convenient use anytime, anywhere. It features a lanyard that can be worn around the neck or wrist for added convenience and security. DURABLE QUALITY: The counter is constructed with 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 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 screen displays "0". 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 shows "0". CLEAR AND ACCURATE: Equipped with a 4-digit LCD display, this electronic clicker accurately shows counts from 0 to 9999. The display does not support negative numbers. Each press of the button updates the count clearly and precisely, helping prevent counting errors. WIDE APPLICATION: This counter is suitable for various environments requiring accurate counting. Ideal for use in warehouses and docks for inventory tracking, monitoring pedestrian or vehicle traffic at streets and stations, and supporting activities such as golf, football, swimming, running, and jump rope during sports events.