Features:Two time display modes Mode One: 1 to 12 , Mode Two: 0 to 24 , You can switch from one mode to the other by pressing and hold the "UP" button for 3 seconds.3 brightness adjustment levels To avoid the light too bright at night, the alarm clock is equipped with 3 brightness adjustment levels. It can adjust automatically and can also be adjusted manuallyIt has wake up function and snooze function. And the snooze time can be freely adjusted.It has wake up function and snooze function. And the snooze time can be freely adjusted.Multi-scene usage Size 22*9.5*5cm; It can be placed on the desktop arbitrarily, or hung on the wall as a wall clockOperation Steps:Setting: press and hold SET three seconds to enter Settings:Enter 12/24 hour adjustment and press UP/DOWN to switch.Press UP/DOWN to adjust, press UP/DOWN to adjust, press UP/DOWN to fast forward or back;Press the SET to adjust the time and date operation at the same time.Press the SET to turn off the alarm clockWhen the SET enters the alarm clock, the specific operation is adjusted simultaneously.Press the SET to adjust the alarm, and adjust the operation at the same timeSpecification:Product name: 3D LED digital wall clock.Weight: about 190 grams.Size: 225 mm * 85 mm * 17 mmMaterial: AcrylicTemperature range: 0-5032-122Color: whiteAttachment: use the instruction manual, USB power cord.Power supply: USBOutput Voltage: DC 5VInput voltage: 100-240VMemory Battery: CR2032Brightness: Automatic DimminNight Mode: Support (19:00-06:00)Alarm Clock: AL1, AL2, AL3 three groups of alarm clocksPackage Included:1*Led white wall clock1*USB Cable1*User manual