Add class and time-tested stately appeal to your bulkhead or wall. Light, strong and durable, this thermometer in a brass finish is a dial style bimetal thermometer that displays both Fahrenheit and Celsius scales. It comes pre-adjusted and calibrated in a temperature-controlled environment at the factory.Dimensions: Dial 3 1/5"; Base 4 3/4"; Depth 2 1/8"Range: -20-50 degrees C/14-122 degrees FTolerance: +/- -2 degrees C/28.4 degrees FMaterials: Maintenance-free brass finish with ultra-hard protective coatingGuaranteed not to tarnish or scratchWeather resistantBeveled crystal glassTraditional porthole front-opening bezelMounting methods for boat or shoreLifetime warranty on finish and movement