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 lightweight. It can be easily carried in a pocket for convenient use anytime, anywhere. A lanyard is included, allowing it to be worn around the 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 a single LR44 button battery (included), offering extended operation for over 250 hours, minimizing the need for frequent battery replacements.EASY TO OPERATE: Simply press the on/off button to turn the device on or off. When powered 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 accurately show numbers from 0 to 9999. The display updates clearly with each press of the button, ensuring precise tracking without the risk of miscounting. The counter does not support negative numbers.WIDE APPLICATION: Suitable for various environments and counting needs, this counter 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.