1. 3-key operation, simple and convenient
2. Life waterproof design, can also be used in rainy days
3. ABS plastic shell, wear-resistant, drop-resistant, shock-resistant and anti-skid
4. Good size and comfortable grip
5. Clear LCD digital display, easy to read
6. Function: single channel memory, week clock display, alarm clock, 1/100 timing
7. Power supply: contains an AG13 button battery
8. Material: ABS, PS
9. Size: about 6.5 x 7 x 2cm
10. Weight: about 41g