there are 4 buttons on the watch, the button on the right bottom is the light. i love this watch, it is sleek and the numbers are bright when you turn on the light. i shower, do dishes, this watch is very durable. not disappointed with this watch.
From the manufacturer
About Armitron Pro Sport Watches
More than fifty years ago, Armitron pioneered many of the first affordable digital watches. Today, Armitron continues to embody and nurture a spirit of individuality by making bold, durable sport watches that are built to move. Offering style and performance, Armitron Pro Sport Watches ensure that you are always on the top of your game.
Key functions of this timepiece
Dual time zones
|Water-resistance level||330 feet||330 feet||330 feet||330 feet||330 feet|
Armitron Sport Unisex 45/7034BLK Stainless Steel Accented Black Resin Strap Chronograph Digital Watch,Armitron Sport,45/7034BLK