Specifications:Size: 1.85 x 1.22 inches (4.7 x 3 cm)Material: Stainless steelWeight: 150gPackage includes:3 x 4-digit manual counters.Features:Material: The manual counter is made of stainless steel, which makes it lightweight and easy to carry.Size: The manual counter has a diameter of 1.85 inches (4.7 cm) and a height of 1.22 inches (3 cm) without taking into account the iron ring, switch and pressure handle.Counting range: It counts from 0 to 9999, pressing once, the counter adds 1, and it can be easily reset to zero by rotating the knob on the right.No battery required: It is a mechanical tally counter, so it can be used at any time and anywhere without the need for a battery.Versatile Use: The hand counter is suitable for various occasions such as lecture halls, restaurants, schools, traffic statistics, bars, as well as various sports activities such as golf, running, etc. It can also be helpful for children to learn counting.Counts from 0000 to 9999, pressing once adds 1.It is equipped with a ring holder that provides extra grip and makes it easy to carry. The reset button on the right side of the counter allows for easy reset by rotating it.