SMAEL 8049 Waterproof Sports Watch Men Multi-function Night Light Electronic Watch Features: 1. LED full-disk white cold light display, one-button to turn on the cold light digital mode, soft and not dazzling, making it easier to see the time at night 2. High-definition wear-resistant lens, strong light transmission, clear when viewing 3. Electronic + quartz movement, durable, long life, LED large screen display 4. 50 meters waterproof, support swimming wear, let you do whatever you want 5. Soft resin strap, double-breasted design, more secure to wear Parameter: 1. Function: decoration, LED night light, alarm clock reminder, week display, imported movement, shockproof and drop resistant, stopwatch timing, calendar display 2. Wearing range: 14-23.6cm 3. Display type: pointer + number 4. Case material: plastic 5. Bottom cover material: stainless steel 6. Strap material: PU 7. Mirror material: plexiglass 8. Power supply mode: built-in button battery 9. Display type: pointer + number 10. Waterproof performance: 50m 11. Movement: quartz + electronic movement + Japanese 20213 movement 12. Band width: 22mm 13. Dial diameter: 59mm 14. Dial thickness: 18mm 15. Overall length of the watch: 254mm 16. Weight: 77g Friendly reminder: 1. Any waterproof watch should not be brought into contact with hot water or steam (such as hot water bath, sauna, etc.); 2. Try to avoid using it in an environment with large temperature changes. The temperature difference will cause the moisture in the air in the watch to condense, which will cause water inflow and water mist in the watch; 3. If there is fog in the watch, please go to a professional watch repair department for cleaning and maintenance as soon as possible; 4. The watch is a precision instrument after all, please take good care of it and use it; good usage habits can increase the life of your watch, and bad habits will shorten the life of your watch