Docooler Guitar Violin Thermo Hygrometer Moisture Meter Humidity Monitor Thermometer
Specifications:Temperature Range: -25~55 centigrade, -13~130 FahrenheitHygrometer Range: 20~100Shape: RoundMaterial: Copper +  Zinc AlloyColor: GoldenDiameter: 4.3cm/ 1.7inThickness: 10mm/ 0.4inWeight: 22g/ 0.77ozPackage Includes:1 * Thermometer and HygrometerItem's color might be different from the picture because of the aberration.