Strong material: The running counter is made of ABS, which is firm and durable, not easy to wear and tear, and long lasting. Practical function: Portable digital step pedometer can effectively track your daily training, and help you practice. Portable: The mini running counter is very small, which is very lightweight, and very convenient to carry and storage. Easy to use: The design of pedometer is simple and easy to use, suitable for all people who need accurate step counting. Perfect gifts: The portable step pedometer is practical present for people who like running and walking. Specification: Counting range: 0-99999 (you can count again after releasing). Operating temperature range: -20 -40 . Material: ABS. Battery: 1 x CR2032(Including), standby for about 1 year. Step counting error: 5 percent . Size: Approx. 5x2.5x1.5cm or 1.97x0.98x0.59 inch. Note: There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. Package Includes: 1 Piece Digital Step Pedometer.