Easy to use. Our counter can count up to the maximum number of 9999 (please note: this counter cannot subtract numbers). It can be reset by simply turning the reset knob clockwise a few times. Powerful features and easy operation are the most important things about a counter! No batteries required. Our counter does not require batteries to be installed and works with a purely mechanical structure that displays 4 digits accurately. No need to worry about power supply anymore. It's time to choose a more environmentally friendly and durable counter! Lightweight and durable material. Thanks to the ABS plastic housing, our court counter feels smooth and comfortable in addition to showing lightness and portability. The sturdy and versatile finger ring can be used to hold the counter in place with your fingers or wear it around your neck with a cord. Wide range of applications. Anywhere you need a counter, such as sports coaching, knitting, crochet, children's education, fishing, events, warehouses, schools and offices, etc.