Multi-function large screen perpetual calendar clock $ 7.79 Function Description: Time display: Time (12/24 hours) Date (2000-2099) Week (shown in 7 different languages) Temperature display (temperature, Celsius switching) Alarm clock / snooze function: Alarm can be set 1 first alarm music World time function: Can display world time at the same time and can set the time for each of the 16 major cities Timing time: Countdown (range 24 hours), there will be an alarm reminder (about one minute) Temperature range: 0 degrees Celsius - 50 degrees Celsius (32 degrees Celsius - 122 degrees Celsius) Voice-activated backlight function: Press the LIGHT button to turn the backlight on or off. You can also turn on the light by tapping within 1 meter, or tap the table to turn on the backlight. The light is turned off for 5 seconds. It is convenient for nighttime viewing time.