Light, strong, and durable, the brass Endurance II 105 Thermometer is a dial-style bimetal thermometer that displays both Fahrenheit and Celsius scales. It has been pre-adjusted and calibrated in a temperature controlled environment at the factory. Temperature Range is: -20-50 °s C/ 14-122 °s F. Constructed with a high luster, maintenance-free brass finish, this compact porthole style thermometer is weather resistant and guaranteed not to tarnish.