AcuRite indoor and outdoor decorative metal thermometer is a high-quality temperature measuring instrument. Compliments any decor. Try this in a window or mount on wall using the 2 screws included. For the most accurate temperature readings choose a location that will not be exposed to direct sunlight or other direct heat sources. The Acu-Rite name assures the utmost in quality and fashion and years of accurate time and temperature measurement. Limited warranty. Aged brass.