Laser engraved portable digital desktop alarm clock for home & office. Displays time, date, temperature and also has an alarm clock function. Powered by USB cable (included) or 3 AA batteries (not included). You can set your time display to 12-hour or 24-hour mode. You also have the option to make thermometer display in Celsius or Fahrenheit.    This beauty is Dimension: 6” x 1.5” x 2.75” (L x W x H ).