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 wear it around the neck or wrist for added convenience and security. DURABLE QUALITY: Constructed with a high-quality ABS plastic outer shell, this counter offers excellent resistance to wear and impact, ensuring long-term 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 clicker accurately shows counts from 0 to 9999. The display updates clearly with each press of the button, ensuring precise tracking without errors. Designed for positive integers only. WIDE APPLICATION: Suitable for various environments requiring accurate counting. Ideal for use in warehouses, docks, and logistics centers for inventory management. Also useful for monitoring foot or vehicle traffic in public areas, as well as for tracking laps or repetitions during sports activities such as golf, football, swimming, running, and jump rope.