Easy to use: the counter can count from 0 to 9999 accurately, tap to count, when tap once it counts as one (Note: this counter cant subtract digits) No batteries needed: the counters are mechanically built inside, no batteries needed, which is environmental friendly and suitable for various uses Sturdy and durable: the clicker counter adopts a stainless steel shell, more sturdy and durable; the smooth surface and the ring holder at the top keep the counter securely in your hand. Easy reset: there is a reset button on the counter that can be easily reset to 0 by simply turning the knob clockwise. Wide range of applications: suitable for a variety of situations where counters are required, such as schools, stadiums, golf, restaurants and bars, guest counts, tally towers, crochet/knit wheels, and other scenarios where counting and tuning are required.