Large LED display -: With a large 3D LED digit, you can read the real time from a long distance. With 54 LED light beads. Can see from a distance, no blue light. This alarm clock has a 12/24 hour display. DESK OR WALL CLOCK: it has notches on the back for mounting, the stand is removable, can be easily hung on the wall as a wall clock or arbitrarily placed on the desk. CONTEMPORARY DECORATIVE CLOCK: Simple and compact design with innovative shape, suitable for any modern, industrial or contemporary environment NOTE: The alarm is still a little lively even in night mode. We do not recommend people who are sensitive to light to install it in the bedroom. The alarm clock can only work with the power supply connected. It can be connected with a USB cable or power adapter. The USB cable is equipped with an alarm clock during transport LED ELECTRONIC CLOCK: Adjustable brightness with 3 intensity levels to meet different needs. It is a fantastic Christmas gift for children and teenagers. Product information: Function overview: LED display, automatic adjustment or manual brightness, alarm clock, snooze Product size: 21.5 x 4.0 x 8.7 cm. Power supply: 5V 1A USB cable: standard white, cable length 2 meters Color: white on black Delivered quantity: 1 piece