This radio-controlled alarm clock features outstanding accuracy, an LCD digital alarm clock, a calendar that displays the time, date, day of the week and a thermometer that displays the temperature in both Fahrenheit and Celsius. A backlight helps you read the clock in the dark, and the snooze and light buttons are on the top for easy access. Cordless. Req. 2 "AAA" batteries (sold separately). Plastic. Measures 5"L x 2 1/4"W x 3 3/4"H.