Created from dark wood veneer with an LED index, the Karlsson alarm clock Square displays sleek, modern styling at its finest. This alarm clock has multiple functions - displaying the time, date & temperature and also as an alarm clock. You can choose to show the time constantly, or only display the time when the clock is tapped, or a sound is made. Can be powered using a USB cable (included) or 3 x AAA batteries (not included) can be placed as a backup. Dimensions: 15 cm x 4.8 cm x 10 cm.