One glance at the Weather Boy Wireless Weather Station will tell you exactly what the weather is going to be. Weather Boy display changes outfits with the temperature -- 15 combinations in all. Date and time are synchronized with the Atomic Clock. LED backlight, with adjustable alarm setting. Also indicates sunset/sunrise, moon phase, and indoor/outdoor temperatures and humidity. Battery operated (battery not included) with wireless sensor and display. Can be wall-mounted or placed on desk.