Oakton Wall-Mount Thermohygrometers, Easy-To-Read Dial Indicators For Both Humidity And Temperature, Each

Details:

Monitor indoor room conditions (no batteries or external power required).Dual-temperature display in fahrenheit and centigradewhite plastic case with blue and white dial designl × dia.: 1 × 10.8 In. (2.54 × 27.3Cm)relative humidity: 20 to 100%temperature: -30° to 40°c (-22° to 122°f)