COMPACT AND LIGHTWEIGHT: This digital hand tally counter measures 6.6 x 3.5 x 2 cm and weighs approximately 20g. Its compact and lightweight design allows it to be easily carried in a pocket for convenient use anytime, anywhere. A lanyard is included, enabling 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, allowing extended use without frequent battery replacement.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 by one or the "-" button to decrement by one. 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 tally counter can show numbers from 0 to 9999 (does not support negative numbers). Each press of the button updates the display clearly and accurately, helping to prevent counting errors.WIDE APPLICATION: Suitable for various environments requiring accurate counting, this counter can be used in warehouses and docks for inventory tracking, at streets or stations for monitoring pedestrian or vehicle traffic, and during sports events such as golf, football, swimming, running, or jump rope to track repetitions or participants.