Product Material: ABS Product Size: 3.5*7.0*26.5cm Color: Black, White Need to be plugged in, it is recommended to use a 5V 1A adapter to use Package content: 1 * LED digital clock date temperature alarm clock The wall clock is with time, alarms, temperature ( / ), date, 12/24 hours. Big and bright numbers, very clear, which makes it easy to read even over long distances. 2.Double Alarms with 40 MusicYou can set 2 alarms to schedule your time appropriately. Both alarms have an independent switch that is easy to set. There are 40 different music tones and 4 levels of volume. 3.Desk Clock & Wall ClocksThis digital alarm clock can be used as a table / bedside mirror, also can be used as a digital wall clock. Modern stylish design aesthetically pleasing, a perfect desk clock for living room, bedroom and office. 4.Auto-dimmable digital alarm clockUSB powered digital clock can automatically adjust the brightness in 6 levels for different time periods. You can also set the 6 level brightness manually, even close it for heavy sleepers. 5.Power & Memory FunctionOur digital alarm clock needs to be connected to a power source to be used. The length of the USB cable connected to the alarm clock is 135 cm (no adapter). Our alarm clock has a built-in button battery to save your clock settings in the event of a power failure. After reconnecting, you don't need to reset the settings.