Start the day with the famous pillar of fire from DEMON SLAYER with the RENGOKU light alarm clock. The backlit screen features a digital display of time, date, room temperature and programmable alarm. It has 4 positions and 2 lighting modes (flicker or progressive). This wireless light alarm clock works with 3 AAA batteries (not included) or USB/micro USB power cable protector (included). This product is an official DEMON SLAYER.