High Quality Materials - This timer is made of high quality plastic and rubber materials. It is sturdy, durable and lightweight. The soft rubber band makes it comfortable to wear, has a long service life, is easy to use and easy to carry. Mini Size - The size of the hand counter is approximately 3.3cm in length, 2.5cm in width and 1.2cm in thickness. It can be adjusted through the hole on the strap for easy carrying and carrying. The count range is from 00000 to 99999. Reaction speed - Depends on human response. Every time you press the button, it automatically counts and responds quickly. Reset your count if necessary. Even if its closed, it can save the last memory, just click the big silver button to start where you left off. A Wide Range of Applications - This timer can help count, save your time and energy, and can be applied to many public places, such as platforms, bus stations, schools, laboratories, competitions , stadiums, training activities, etc.