Multi-Functional clock Except for the basic function of Time (12/24), Alarm Clock, and Temperature (F/C), this cute LED table clock also supports Smart Energy-saving Mode, 3 Single Alarms, Safety 2 Power Supplies, and Time Memory function, Voice & Touch Activated, etc.
Smart Energy-saving Mode The travel alarm clock will automatically turn off after 15S, and automatically turn to half luminance in 18:00-7:00 to protect your eyes.
Safety Dual Power Supply The pretty modern cube desk alarm clock can be powered by a USB cable (DC5V/500MA) or a 3 AAA battery (not included).
Easy Operation Everyone can finish all the bedroom clock settings with 3 buttons in just 1 minute.
Power Cord Operated This clock is operated by USB to barrel power cord. Batteries are NOT RECOMMENDED It drains batteries REALLY Fast!