Fangrui Product Details Two In One: The Mini Digital Hygrometer Thermometer With Built-in Probe, Electronic Thermometer And Hygrometer For Measuring Temperature And Humidity For Indoor Use. Wide Testing Range: Humidity Meters Measuring Range: -58158, Humidity Measuring Range: -rh. High Precision Display: Humidity Meter Measurement Accuracy: 2 Humidity Measurement Accuracy: Rh. Easy To Install: Our Humidity Meters Gauge Can Help You To Konw The Current Temperature And Humidity, Embedded Opening Size (1.81x1.06 Inch) . If The Size Is Not Suitable, It Can Be Fixed With Double-sided Tape. Widely Used: The Indoor Thermometer Hygrometer Widely Use In Greenhouse, Garden, Guitar Case, Incubators, Brooders, Office, Cellar, Fridge, Closet Any Other Place That Requires Monitoring Of Temperature And Humidity Levels. Colour:black Material:abs Size:about 48 X 28.5 X 15.6mm Package Contents: 6 X Digital Thermometers Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Dis