Large LED Display -: With 3D large LED digit, you can read the real time from a long distance. With 54 LED light beads. Can see at 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 bracket is removable, can be easily hung on the wall as a wall clock or arbitrarily placed on the desktop. CONTEMPORARY DECORATIVE CLOCK: Simple and compact design with an innovative shape, suitable for any modern, industrial or contemporary environment NOTE: The alarm is still a bit loud even in night mode. We do not recommend that people who are sensitive to light install it in the bedroom. The alarm clock can only work with the power supply connected. It can be connected with 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.