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 easy to carry. It can be conveniently stored in a pocket for on-the-go use. A lanyard is included, allowing you to wear it around your neck or wrist for added convenience and security. DURABLE QUALITY: Constructed with a high-quality ABS plastic outer shell, this counter offers resistance to wear and impact, enhancing its durability. It is powered by an included LR44 button battery, providing reliable operation for over 250 hours, minimizing the need for frequent battery replacements. EASY TO OPERATE: Simply 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 counter can show values from 0 to 9999 (does not support negative numbers). Each press of the "+" or "-" button updates the display clearly and accurately, helping prevent counting errors. WIDE APPLICATION: This versatile counter is ideal for various environments requiring accurate counting. It can be used in warehouses and docks for inventory tracking, at streets or stations for monitoring foot or vehicle traffic, and during sports activities such as golf, football, swimming, running, and jump rope.