Feature: Normal time and Temperature mode: Display 5.2inch large clear color screen, even in the dark is very easy to read time and temperature, 12/24 hour, Time, Date, Month, 2001--2099 year Calendar indication,Automatic detection of ambient temperature, normal measuring range 0 -50 degree,in the normalstate, the key can Switch degC/ F Alarm and snooze mode: Can be set daily alarm time and choose ring tones(8 melody) and can also open the snooze function.Timer mode, Can set the direction of timing: timing range 23: 59: 00-00: 00: 00, when the time arrived, will make the alarm. The world time mode: The world time and local time can be displayed at the same time, 16 major cities time can be set to local time. Multilingual function, Can be set by 7 kinds of different countries language to show the week, to facilitate people to use this productaround the world Voice control backlight function: Press 'LIGHT' key can turn on/off the nightlight, also can turn on the night-light by gently slapping on the tablefor easy viewing. The light will automatic turn off after 5 seconds Working voltage 3V. Powered by a USB charger or 2 AAA batteries (Not included batteries). Specification: Color screen design Indoor temperature displays with C/F selectable. Timer mode: hours of 0-23, minutes 0-59, second 0-59 12h/24h format selectable Item Size: Approx. 14 x 10.9 x 3cm Powered By: 2 x AAA Battery (Not Included) includes:1 x Digital Alarm Clock 1 x USB Power Cable 1 x Manual