Product Description: Material:Plastic Color:As the picture show Style:Creative Shape:Square Function:Color Changing, Sniize Function Motivity Type:External Power Supply Display Type:Digital Size:21.5 * 4 * 8.7cm / 8.46 * 1.57 * 3.42inches 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 manually. Alarm and snooze function: It has wake up function and snooze function. And the snooze time can be freely adjusted. Multi-sceneage: Size 21.5 * 4 * 8.7cm / 8.46 * 1.57 * 3.42inches; It can be placed on the desktop arbitrarily, or hung on the wall as a wall clock. USB or charging head for power supply connection: The alarm clock can only work with power connected . It can be connected withB cable or AC adapter. BothB cable and AC adapter are equipped with the alarm clock when ship. Package Includes: 1 x LED Digital Alarm Clock 1 x AC Adaptor Time Setting: Press MODE for 2s to enter time setting, setting order: hour-minute. Alarm Setting: Under alarm mode, press MODE for 2s to enter time setting, setting order: hour-minute-snooze time. 'AL' will flash when setting. When Alarm Clock Rings: Beep! Press MODE to stop ringing and snooze, 'AL' will flash till the alarm time. Press UP or DOWN to stop ringing, 'AL' will not flash. Snooze Time Setting: Default snooze time is 5 minutes, under alarm mode, press MODE for 3s to ender snooze time setting, then press UP and DOWN to set snooze time. Night Mode: The clock will automatically lower LED brightness under night mode, under clock mode, press MODE for 2s to enter night mode. Press MODE to turn night mode on/off. When night mode is on, press MODE to ender night mode setting, setting order: start hour-start minute-end hour-end minute. Brightness Level Setting: 3 Brightness levels: Bright, medium, dark Default brightness level is medium. Press UP to switch brightness level. Notes: 1. Please allow 1-3 cm difference due to manual measurement and 3-5 g for the difference between different colors. 2. Due to the screen difference, the color may be a little difference from what you expect, please allow it.