1. Optional EL light-emitting diode, so you can see the time clearly at night by pressing the backlight button at the top left 2. 30m water resistant, good waterproof performance can meet the daily life waterproof, hand washing can be worn 3. Case material: ABS 4. Strap material: PU 5. Crystal material: glass 6. Back cover material: stainless steel 7. Clasp material: stainless steel 8. functions: double time, chronograph, countdown timer, day and date, full time chime, timer alarm, night light, 12/24 hour system 9. Movement: electronic 10. Power supply: internal button battery 11. Dial width: 27mm 12. Dial thickness: 12mm 13. Strap width: 24mm 14. Total length of watch: 240mm 15. Weight: 44g
