Details and Features:

• Materials: Plastic
• Digital (silent)
• Backlight
• Alarm function
  
• Snooze function
  
• Different display modes: Choose between time, date, or temperature. The display can automatically rotate among these three, or you can set one as the default and switch to others with a simple button press.
• Night time mode: The display is deactivated to avoid disrupting your sleep. In this mode, a brief press of any button will temporarily illuminate the time.
• Automatic brightness adjustment: The brightness levels can automatically dimmed during user-defined hours.
• 12hr AM PM and 24hr setting
• Dimensions: 15.5cm Wide x 6cm High x 2.5cm Deep
• Weight: 110g
• Powered by: The included USB cable. (Power adapter not included. Simply plug the USB end into any phone charging adapter or USB charging adapter rated at 5V/1.5A).
  OR
  3 x AAA batteries (not included). Batteries also function to keep the time in memory in case USB power is unplugged. 
• Power saving function: When powered by battery, the LED display will automatically turn off after 15 seconds.
• 1 year warranty