Bulova C4813 Weather Master Wall Clock, 18", Black Illuminated outdoor wall clock with a two-step metal case Sealed with a gasket for protection from outdoor elements Arabic numerals and instrument graphics printed with a light reflective ink Responsive LED lights automatically turn on/off Includes a thermometer with Fahrenheit and Celsius scales and hygrometer with protective gasketed glass lens Operates on (1) AA battery for clock, (4) D batteries for LEDs, not included One (1) Year Limited Manufacturers Warranty