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) No batteries needed: the counters are mechanically built inside, no battery needed, which is environmentally friendly and suitable for various uses Sturdy and durable: the click counter Adopts stainless steel metal shell, more sturdy and durable; the smooth surface and the ring holder on 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 turning simply the clockwise knob. Wide Range of Applications: Suitable for a variety of situations where countertops are required, such as schools, stadiums, golf courses, restaurants and bars, guest counts, lap counting, crochet/knit wheels, and other scenarios where counting and bearing is needed.