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 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, ensuring long-term durability. It is powered by a single LR44 button battery (included), providing reliable operation for extended periods. EASY TO OPERATE: Simply press the on/off button to power the device. When turned 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 on/off button until the display shows "0". CLEAR AND ACCURATE: Equipped with a 4-digit LCD display, this electronic counter can track numbers from 0 to 9999. The display is clear and accurate, ensuring correct readings during use. It does not support negative numbers. WIDE APPLICATION: Suitable for various environments requiring accurate counting, including warehouses, docks, traffic monitoring, and pedestrian counting at stations or streets. Also ideal for use in sports activities such as golf, football, swimming, running, and jump rope.