Specification:Material: AcrylicColor: WhiteDisplay: DigitalLight Color: Blue/Red/White/GreenBattery: CR2032 (included)Size: 21.5*8.7*4cm/8.5*3.4*1.6inchNote:Please allow 1-2cm errors due to manual measurement.Due to the difference between different monitors, the pictures may not reflect the actual color of the item.Package Included:1 x LED Clock1 x USB Cable Feature:LED time display (the time display 0:00) There are 3 levels of brightness (the default brightness is medium) Night mode with automatic dimming Total 3 functional buttons: MODE, UP, DOWN Total time display in 4 positions (12/24 hour modes)The alarm AL display is 6:00 Alarm with snooze function Snooze function, 5-60 minutes (The default interval time is 5 minutes) Temperature displayDating, year, month and day display Power supply: 5V (excluding power adapter), CR2032 button battery (included) for saving settings, USB cable (included) Time setting: Press MODE for 3 seconds to enter time setting, setting order: hour-minute. Alarm setting: In alarm mode, press MODE for 3 seconds to enter time setting, setting order: hour-minute-snooze \"AL\" lights up when setting.Beeps: Press MODE to activate the snooze function. The AL icon will flash or DOWN to deactivate the alarm. The AL icon will turn off. Night Mode: The clock will automatically lower the LED brightness in night mode, press MODE twice to enter night mode. Press MODE to turn on/off night mode. When night mode is on, press MODE to complete the night mode setting order: start time start hour minute end minute. Brightness Level Setting: 3 brightness levels: bright, medium, dark The default brightness level is medium. Press UP to change the brightness level. \"