Manual Counter- Includes 2pcs four-digit counters, no batteries required, don't worry about the clickers can't be used after a long time, Portable Mechanical Counter- Each counting counter accompanied with a durable lanyard silver you can hang it on your neck, wrist or backpack, easy to carry. Also the ring on the counter to make your finger go through, fits your hands perfectly Wide Applications- The mechanical hand counters could be used for a variety of training activities, for example school, laboratory, lab, etc. competition, casino, bars, golf and racing, etc. and also suitable used for all kinds of data Easy to Use- Click the button on the counter clicker to start counting, it is easily reset by turning the black reset button on the counter Durable and Practical - Our hand counter is made up of metal case and chrome planted ring, lightweight and durable, can be used for a long time. Bring more convenience to carry to anywhere.