Taylor Precision Products Window Thermometer With the mountable offset bracket, tilt the thermometer for an optimal view from a window or doorway. Simply designed with weather resistant and rustproof components, this thermometer is ideal for outdoor use. Measuring temperature ranges from -40 to 120 degrees Fahrenheit, the bold red and blue graphics resist fading from the sun. With 8 by 2.5 inches of surface area, easily view the temperature from a distance. Mount the aluminum offset bracket on any flat surface with the included screws