Description Size: 15*4*7cm Color: white bamboo wood lamp Wooden texture: full of natural elegance, it fits perfectly with your indoor furniture. Multiple functions: time display (12/24), date and temperature (F&C), 3 alarm settings. Power saving mode: In this mode, the LED can be turned on by voice (>60dB), tapping and knocking. If this mode is deactivated, the screen remains on. Power supply: It can be plugged in via the supplied USB cable or powered by 3 AAA batteries (not included). Easy to use - setting the alarm clock and time is simple. We only adjust the buttons on the back. The alarm clock has backlit buttons on the back. Quiet - Quiet, non-ringing alarm clock compatible a good sleep and quiet working environment. Loud alarm - very loud alarm compatible heavy sleepers; wake up from a deep sleep immediately and on time. You will never be late compatible an appointment or other projects.