1、MULTIPLE POWER SUPPLY METHODS: The digital clock is powered by USB cable and 3 AAA batteries (not included), with power saving mode, longer service life. 2、LED DISPLAY: Desktop digital clock with large LED display allows you to check the time at a glance even when you are far away. Combined alarm clock and time display. 3、DECORATIVE: Stylish modern design is not only a digital clock for the office, but also a decoration for the bedroom or living room, adding elegance to any space. 4、COMPACT: The digital alarm clock is small enough to fit anywhere on a bedside table or nightstand, and the LED display is large enough to be seen from the entire room. 5、MULTIFUNCTIONAL: Displays time, date and temperature. Sound activated on battery power, clapping your hand turns the display on, and it automatically turns off after 16 seconds.