Acu-Rite Acu-Rite Alarm Clock Forecaster with USB Displays 12- to 24-hour future forecast for your location Comes preprogrammed with the correct time and date Built-in USB port charges your phone while you sleep Alarm gradually gets louder to wake you up peacefully Maintains time and alarm-clock settings during power outage Wake up on time to a fully charged phone and the day's weather forecast with Acu-Rite's Alarm Clock Forecaster with USB. The clock displays the indoor and outdoor temperature; daily outdoor highs and lows; 12- to 24-hour future weather forecast for your location; and indoor humidity level. Featuring Intelli-Time technology, the clock also comes preprogrammed with the correct time and date. Built-in USB port allows you to charge your smartphone while you sleep. Alarm gradually increases the volume over a two-minute span in order to wake you up on time and peacefully. Maintains time and alarm-clock settings, even during a power outage. Automatically updates for Daylight Savings Time. Illuminated, easy-to-read color display with adjustable and auto-dimming brightness. Weather-resistant sensor sends wireless data to the clock from up to 330 ft. away. Clock powered by 5-volt power adapter. Also accepts two AAA batteries or one CR-2032 coin-cell battery for optional backup power in case of power outage. Sensor requires two AA batteries. Batteries not included. Manufacturer's limited one-year warranty. Display: 3.2''H x 5.5''W x 1.3''D. Sensor: 4.8''H x 1.6''W x 0.9''D.