Features Projection function: the projection function of the clock can be rotated 180 degrees and the projection effect is very clear. Smart The alarm clock has a repetition function and automatic photosensitive function, which is very smart. Interchangeable modes: The 12-hour 24-hour format of this alarm clock can be changed, and the default format is 24 hours. LED Display: The brightness of the watch LED display can be adjusted, there are 6 levels and 7 function buttons. USB Powered This alarm clock works with USB and can be used by connecting it to the Type C cable, which is very convenient. Specification: Item Type: Digital Projection Alarm Clock Material: ABS Battery: 1 x CR2032 (excluded) Package List: 1 x Digital projection alarm clock 1 x Charging Cable 1 x Instructions Note: The product works with a type C power cord, the battery is only used for memory function and does not provide power. Package List 1 x Digital Projection Alarm Clock 1 x Charging Cable 1 x Instruction