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
