Adjustable brightness: LED light reminds you of the time even if you are in a dark place, adjustable brightness with 3 levels of intensity for different needs. It is a good Christmas gift for children or teenagers. Multi-function: The digital multi-function clock can be used as an alarm clock with alarm and snooze function; Two display modes for 1 to 12 hours or 0 to 24 hours. Easy to use: There are 3 buttons above the digital clock that you can use to adjust the time mode, brightness and snooze function. It is suitable for children or adults. 2 placement options: you can place it on the desk with the fixed base as a table clock or hang it as a wall clock or night lamp. It takes up little space in a room or in luggage. NOTE: Even in night mode, the alarm clock is still a little bright. We advise people who are sensitive to light not to install it in the bedroom. Power : Comes with a 2 meter long USB cable for power (power not included) and a button battery to remind you when the USB is off. Features: Optional 12/24 hour time format, calendar, date and temperature display. 3 levels of brightness, automatic / manual adjustment to different periods. Alarm with snooze function, alarm every 5 minutes. The light is soft and does not hurt the eyes, can be used clearly day or night. Suitable for a variety of occasions, study, living room and study, bedroom, etc. Comes with a 2 meter long USB cable for charging and a battery to remember when the USB has been turned off. It can be placed on the table and hung on the wall with a hole in the back. Specifications: Material: ABS LED color: white/red/blue/green/orange Power: cable 2 meters USB charging Battery: 1 * CR2025 button (included) Item size: 21.5 * 8.7 * 4 cm / 8 .46 * 3.4 * 1.5 inch Package Weight: 245g / 0.54lb Package List: 1 * 3D Digital Clock 1 * USB Cable 1 * User Manual