Casio Watch Mens Solar LED Light - This is also in a dark place everything in sight, the clock display at the touch of a light emitting diode is illuminated. Function Solar provide independent and environmentally friendly solar cells for power supply of the clock. Excess solar energy is stored in an accumulator. World time function displays the current time in up to 29 different time zones. Stopwatch function - 1/100 sec - 1 hour elapsed time, split time and final time are measured with an accuracy of hundredths of seconds. The measuring capacity reaches up to an hour Clock. 2 Timer - 5 sec - 100 mins (with automatic repeat). This model has two independent countdown alarms (timer) that release after a set time signal and then automatically resets and counting from the preset time. The measuring capacity reaches up to 100 minutes of clock and can be set at 5 second intervals. 5 Daily Alarms. The daily recurring events reminds the daily alarm, an acoustic signal at a set time. The hourly time signal that indicates each full hour. This model has five independent alarms - especially for flexible reminders of important appointments or medications. Key tones on / off. If desired, the key tones are turned off using the mode button. After switching off then there is no longer beep when switching from one function to another. Preset alarm or countdown timers for turning off the keypad tones still active. Auto Calendar Once set, the automatic calendar always displays the correct date.