Outdoor or indoor style. Waterproof high-impact case with rattan-look finish and bold numerals also features a thermometer with Fahrenheit and Celsius scales. Stays water/ weather-resistant in any location, its double-gasketed seal makes it ideal for outdoor use. Protective glass lens. Includes a 3-point secure screw mount system with a twist-off back cover perfect for use on boats and recreational vehicles. Requires (1) AA battery, not included.