Monitor the backyard temperature with the 22-inch Emperor-size dial thermometer. Classic thermometer features red pointing hand to indicate if it is warm or cold outdoors and extra-large dial can be seen from afar. Weather resistant to outdoor elements, but for accurate readings we recommend protecting under overhang out of direct sunlight/precipitation. With its glass lens and plastic frame, it will give you lasting results for years to come. Reads in Fahrenheit down to -40 and up to 100°F. Built-in keyhole bracket to hang onto screw or nail.