OHSEN Kids Sports Digital Watch Date Week Alarm Chronograph LED Lights Function: Date, time, week, alarm clock, chronograph, backlight and 12 / 24 hours switch. LED lights, press the light button and not move, the lights color will change from blue, green, orange, red, purple and flash. Alarm clock, to remind you of every important moment. Alarm clock, to remind you of every important moment. 30M water resistant, especially suitable for outdoor sports use.