Easy to use: SDARMING counter can count from 0 to 9999 precisely, Press to count, when you press once it counts for one (please note: this counter cannot subtract numbers)No batteries required: Tally Counters are mechanically constructed internally, no battery needed which is environment friendly and suit to various purposeSturdy & durable: Clicker counter adopts stainless steel metal shell, more sturdy and durable; The smooth surface and the finger ring holder at the top hold the counter securely in your hand.Easy reset: There is a reset knob on the counter which can be easily reset to 0 by simply turning the knob clockwise.Wide range of applications: suitable for a variety of situations where tally counters are required, such as schools, stadiums, golf, restaurants and bars, guest counts, counting laps, crochet/knitting wheels and other scenarios where counting and tallying is required.