Welcome to our store, and we will bring you a satisfactory shopping experience! Item Name: Thermometer Material: ABS Temperature Measurement Range: -20 Degree Celsius (-4 Degree Fahrenheit)-60 Degree Celsius (140 Degree Fahrenheit) Humidity Measurement Range: 10 Percent-99 Percent Temperature Measurement Accuracy: -1 Degree Celsius ~ 1 Degree Celsius (1.8 Degree Fahrenheit) Temperature Resolution: 0.1 Degree Celsius (0.2 Degree Fahrenheit) Standby Time: More Than or Equal to 1 Year Humidity Measurement Accuracy: -3 Percent ~ 3 Percent Humidity Resolution: 1 Percent Temperature Measurement Error: -1 Degree Celsius ~ 1 Degree Celsius (1.8 Degree Fahrenheit) Humidity Measurement Error: -3 Percent ~ 3 Percent Battery: 1 x Button Battery(Included) Battery Capacity: 210mAh Features: Large Display, Convenient, Universal Size Details: L: 8.95cm/3.52" (Approx.) W: 8.9cm/3.5" (Approx.) H: 1.49cm/0.59" (Approx.) By using three placement methods design, you can easily place the hygrometer anywhere you want. It is easy to switch between Fahrenheit and Celsius modes. You can read the data conveniently even in a long distance because the temperature humidity meter has large screen digital display. It is constructed of ABS material. The length of this product is 8.95cm, the width is 8.9cm and the height is 1.49cm. Perfect for home daily use, office, hotel, bedroom, living room, workshop, laboratory, vegetable greenhouse, etc. Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Thermometer 1 x User Manual