At less than six inches square, this exclusive Hilton alarm clock/radio packs a sophisticated array of functions into a diminutive package. The clock has the world easiest set alarm feature, automatically adjusts for daylight savings time, and maintains alarm setting during power outages. Digitally tune and preset your favorite radio stations or attach an MP3 for enhanced listening pleasure. Please note this model is intended for use within the US and requires a 110V outlet. 30 day limited manufacturer's warranty.