COMPACT AND LIGHTWEIGHT: This digital hand counter measures 6.6 x 3.5 x 2 cm and weighs approximately 20g. Its compact size makes it perfect for your pocket, so you can count anytime, anywhere. A handy lanyard is included, allowing you to wear it around your neck or wrist for convenient use and to prevent loss. DURABLE QUALITY: The high-quality ABS plastic shell is durable and drop-resistant, ensuring long-lasting use. Powered by an LR44 button battery (included), it provides over 250 hours of continuous power. EASY TO USE: Simply press the on/off button to power the counter on/off. The display shows "0" when on. Press the "+" button to add one, and the "-" button to subtract one. To reset to zero, press and hold the on/off button. CLEAR AND ACCURATE: The 4-digit LCD screen clearly displays numbers from 0 to 9999 (not for negative numbers). Add or subtract with confidence, knowing the display is accurate. WIDE APPLICATION: This versatile counter is ideal for various counting needs. Use it for inventory in warehouses, counting crowds, tracking sports scores (golf, football, swimming, running, jump rope), and more.