Analog Hygrometer, Scale Type Dial, -40 Degrees to 120 Degrees F/-40 Degrees to 50 Degrees C, Primary Scale Temperature, Dial Design Black Scale on White Dial, Case Material ABS Plastic, Graduations 2 Degrees F/1 Degrees C/2 Percent RH, Humidity Range 0 Percent to 100 Percent, Wall-Mount, 12 in dia