Item Details:* 57mm Inner and Outdoor Mini Round Aluminum Alloy Hygrometer Thermometer * Used to measure temperature and humidity * Suitable for homes, offices, workshops, schools, shopping malls, warehouses, etc.* * The outer case is made of aluminum alloy, small size, strong and * With fine and clear dial scale, easy to read * Color: Gold+White (As Pictures Show)* Temperature Measurement Range: -30 - 50 Degree Celsius (-20 - 120°F)* Accuracy: +/-2 Degree Celsius* Humidity Meter Range: 10 - rh* Accuracy: +/-5% rh (40 - 70% rh)* Dimension(Dia.*H): 57*12.5mm (Approx.)Package Contents:1*Hygrometer ThermometerNotes:The actual colors of the item may be slightly different from the pictures shown on website caused by many factors, such as monitor brightness and light brightness.