LANDFOX ashion Aviation Turbo Dial Flash LED Watch Gift Mens Lady Sports Car Meter Black Imported Analog used for decorative. You have to press the button turn on the LED display, it will only light up few seconds to show time When swimming ,the button operation can not be made under water.The watch can not be used under hot or cold weather LED digital lights display: Hour, Minute,AM/PM,Date,Day, Week Colours may not appear exactly as seen on photo in real life due to variations between the computer monitors and naked eye colour difference A perfect present for friends,families, lovers etc ;With its elegant and contemporary design, it is very popular