This copper dial thermometer combines practical simplicity with timeless design. The copper case is naturally resistant to corrosion. Left unattended, it will attain a rich, dark patina. Featuring our exclusive fourth generation full range precision Japanese coil movement (FR4), this copper dial thermometer measures both Fahrenheit and Celsius scales. It mounts to a window, wall or post with an outdoor swivel arm bracket for just the right viewing angle, and the 4” diameter convex glass crystal assures a clear, readable view of the classic numerals. (Also available in Bronze Patina finish, Satin Nickel finish and Living Finish Brass). Product Highlights: • 4 inch dial with large easy-to-read numerals • Swivel arm mounting bracket with matching hardware • Adjustable for just the right viewing angle • FR4 precision Japanese coil movement measures both Fahrenheit & Celsius more accurately across a greater range of temperatures • Crystal won’t yellow or craze • Living Finish Copper won’t peel, flake or rust; patinas with age • Lifetime warranty