With features such as corrosion resistance, rust resistance, wear resistance and high hardness, this product can withstand harsh environments and be used for a long time. This thermohygrometer features high accuracy, digital display, large number, multifunctional, which is practical and reliable to use. Made from ABS material, the product is durable and compact. The length of the product is 4.7 cm, the width is 2.7 cm, the height is 1.3 cm. It is suitable for bedroom, living room, weather station, office and so on. Item Name: Thermo-Hygrometer Material: ABS Temperature Measurement Accuracy: 1.0 Degree Celsius Temperature Sampling Cycle: 10 Seconds Relative Humidity Test Range: 10Percent - 99 Percent Humidity Resolution: 1Percent Humidity Measurement Accuracy: 5 Percent (at Room Temperature 25 ) Display Resolution: 0.1 Degree Celsius Display: LCD (Three and a Half) Power: 0.15 mW under Working Conditions Battery: 2x DC 1.5V LR44 Button Batteries (Included), without Insulator Temperature Measurement Accuracy: 1 Degree Celsius Features: High Accuracy, Widely Use, with Built-in Probe Size Details: 4.7cm x 2.7cm x 1.3cm/1.85" x 1.06"x 0.51" (Approx.) 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. When the measured temperature is below -50 , display LO . When measured temperature is higher than 70 , display HI . Package Includes: 1 x Thermometer (without Cable) 2 x DC 1.5V LR44 Button Batteries