1. Large-screen luminous display, easy to use when the light is dark, and the reading is clear
2. Curved concave and convex sides, comfortable to touch, non-slip and anti-fall
3. With lanyard, easy to carry and not easy to lose
4. Button operation, simple and sensitive
5. Waterproof for life, waterproof against rain and sweat, suitable for various occasions
6. Specification: 1/100 second
7. Functions: stopwatch, clock, date, countdown, cycle timing, hourly timekeeping, alarm clock, mute, shutdown, luminous display
8. Power supply: contains a CR2032 button battery
9. Material: stainless steel shell
10. Size: overall about 6.5x5.5x1.3 cm
11. Weight: about 105 grams