Casio make a wide range of time pieces for people of all ages, including children. The Casio Baby-G is a series of children's watches which are resistant to water and shock. The illuminator lights up the watch's LED display when an alarm sounds or when you want to check the time in poor light. You can set the illumintor to shine manually or automatically.
Press the top right hand button to illuminate the watch at any time. The light will glow as long as you hold down the button.
Press the bottom left "Mode" button until you reach the Timekeeping mode to set illumination duration.
Hold down the button on the top left hand side of the watch until the seconds begin to flash.
Press the button on the bottom left to set the light to shine for one, two or three seconds.
Press the top left hand button to return the watch to normal functioning.
Using the illuminator often will drain the battery more quickly.