Description Size: 15*4*7cm Colour: Bamboo wood white lamp Wooden texture: full of natural elegance, it fits perfectly with your home furniture. Multiple functions: display of time (12/24), date and temperature (F&C), 3 alarm settings. Power saving mode: in this mode the LED can be switched on by voice (>60dB), tap and knock. if this mode is disabled, the screen will remain on. Power supply: It can be plugged in via the supplied USB cable or backed up by 3 AAA batteries (not included). Easy to use - setting the alarm clock and time is easy. We only adjust the buttons on the back. The alarm clock has backlit buttons on the back. Quiet - silent, non-ticking alarm clock for a good sleep and quiet working environment Loud alarm - super loud alarm for heavy sleepers; wake up from a deep sleep immediately and on time. You'll never be late for an appointment or other plans