Double LED light. For the face and backlight: full auto LED light, Solar poweredLow-temperature resistant (-10C/14F)The auto hand home position correctionDigital compass
Selectable illumination duration, afterglow
Quartz Movement. Case Diameter: 52mm
Water resistant to 100m (330ft): in general, suitable for swimming and snorkeling, but not diving
For watch to work properly, ensure the item is fully charged and the home city is set correct.