SANDA Green Light Alarm Clock Multifunctional Waterproof Shockproof Transparent Watch Features: 1. Dual display sports watch, atmospheric and eye-catching dial 2. Luminous effect display, press and hold the luminous button, one-key lighting mode, you can clearly see the time at night 3. Tell the time on the hour, and the thoughtful Didi reminder function helps you arrange your own time reasonably and strengthen the concept of time 4. 50 meters waterproof to meet daily life washing, rain and other scenarios 5. Shockproof and drop-resistant case, no fear of falling from high places 6. Made of acrylic mirror material, it is clear when reading and durable to use 7. TPU strap, comfortable to wear, and not easy to deform and change color 8. 304 stainless steel bottom cover, daily waterproof and not easy to rust 9. Anti-slip function buttons, shockproof and drop-resistant design, beautiful design, easy and convenient operation Parameter: 1. Functions: dual time, luminous display, stopwatch timing, week calendar, 50 meters deep waterproof, shockproof and dropproof, countdown, 1224 hour format, alarm clock mode 2. Strap material: TPU 3. Mirror material: acrylic mirror 4. Movement: electronic + quartz 5. Movement model: original movement 6. Case material: ABS 7. Display type: Pointer 8. Waterproof performance: 50m 9. Dial width: 55mm 10. Dial diameter: 58mm 11. Band width: 27mm 12. Wearing size: 160-230mm 13. Dial thickness: 17.5mm 14. Total length of watch: 255mm 15. Weight: 73g