SANDA Green Light Alarm Clock Multifunctional Waterproof Shockproof Transparent Watch Features:1. Dual display sports watch, atmospheric and eye-catching dial2. Luminous effect display, press and hold the luminous button, one-key lighting mode, you can clearly see the time at night3. Tell the time on the hour, and the thoughtful Didi reminder function helps you arrange your own time reasonably and strengthen the concept of time4. 50 meters waterproof to meet daily life washing, rain and other scenarios5. Shockproof and drop-resistant case, no fear of falling from high places6. Made of acrylic mirror material, it is clear when reading and durable to use7. TPU strap, comfortable to wear, and not easy to deform and change color8. 304 stainless steel bottom cover, daily waterproof and not easy to rust9. Anti-slip function buttons, shockproof and drop-resistant design, beautiful design, easy and convenient operationParameter:1. Functions: dual time, luminous display, stopwatch timing, week calendar, 50 meters deep waterproof, shockproof and dropproof, countdown, 1224 hour format, alarm clock mode2. Strap material: TPU3. Mirror material: acrylic mirror4. Movement: electronic + quartz5. Movement model: original movement6. Case material: ABS7. Display type: Pointer8. Waterproof performance: 50m9. Dial width: 55mm10. Dial diameter: 58mm11. Band width: 27mm12. Wearing size: 160-230mm13. Dial thickness: 17. 5mm14. Total length of watch: 255mm15. Weight: 73g