Easy to use: The counter can accurately count from 0 to 9999, press once to count, press once to count one (please note: this counter cannot count down) No batteries required: Tally counter adopts mechanical structure inside, no batteries required, environmentally friendly, suitable for a variety of Sturdy and Durable Purpose: The counter adopts stainless steel metal shell, which is more sturdy and durable; the smooth surface and the ring holder on the top keep the counter firmly in your hand. Easy to reset: There is a reset knob on the counter, you can easily reset it to 0 by simply turning the knob clockwise. Wide range of applications: Suitable for various occasions that require counting, such as schools, stadiums, golf courses, restaurants and bars, guest counting, circle counting, crochet/knitting wheels and other scenes that require counting and counting.