Contracted design style wooden alarm clockIt also works in voice mode. Make some noise (clap your hands， rap on the table or pat the clock) nearby can wake it upThe "VOICE" mode only available when you use the batteries， that is the "Power Saving" modeTime display: 12-hour or 24-hour mode¡ãC/¡ãF display of thermometer，please note，the Temperature is not AccurateAlarm Clock with "beep" lasting for 1 minuteDual Power Supply: DC 5V input or AAA battery( not contain batteries)Crescendo alarm with Snooze function， the alarm signal is repeated every five minutesIntelligent blue backlight， built-in sensor to turn on/off the backlight automaticallyPowered by 3X AAA batteries (not included)/ DC 6V input with PC USB port is availableSize: 4.7 x 1.5 x 2.3" Package include: ( not contain batteries)1 x LED Alarm Clock1 x Data Cable1 x User Manual Note: The color of the actual items may slightly vary from the above images due to different computer screen， thanks for your understanding.