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 can't subtract digits) < p>No batteries needed: the counters are mechanically built inside, no batteries needed, which is environmental friendly suitable for various uses Sturdy durable: the clicker counter adopts a stainless steel shell, more sturdy durable; the smooth surface the ring holder at the top keep the counter securely in your h. 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 bars, guest counts, tally towers, crochet/knit wheels, other scenarios where counting tuning are required.