【Material】：-The hand counter is made of stainless steel, lightweight and easy to carry. 【Size】：-The hand counter is 1.85 inches / 4.7 cm in diameter and 1.22 inches / 3 cm in height (excluding iron ring, switch and push handle). 【Counting range】: - The counting range is from 0 to 9999, press it once to count as 1, and it can be easily reset to 0 by turning the knob to the right. 【No battery required】: - This is a mechanical counting counter that you can use anytime, anywhere. 【Widely used】：-Hand counter is very suitable for lecture halls, restaurants, schools, traffic statistics, bars and occasions where multiple people or various sports activities (such as golf, running etc.). In addition, it can help children learn to count.