1Dual Screen Display: The hygrometer indoor adopts dual screen display, which can display temperature and humidity separately, which is convenient for recording and measurement 2LCD Screen: The hygrometer indoor is an LCD screen, which makes the screen display clearer and easier to read 3Digital Storage Function: The hydrometer digital has a digital storage function, which can store test data within a certain range, which is convenient for comparing temperature changes at different times 4Convenient and Practical: The hydrometer digital helps improve your planting or home experience by viewing indoor and outdoor temperature and humidity 5Supported Functions: The room thermometer has indoor/outdoor temperature, indoor humidity display, / temperature switching display, high and low temperature memory function 1 x Hygrometer Indoor(Battery Not Included)1 x Cable1 x User Manual Item Type: Hygrometer IndoorMaterial: PlasticProduct Size: Approx. 8 x 7 x 1.6cm / 3.1 x 2.8 x 0.6inBattery Parameters: a LR44 Button Battery (Battery Not Included)Temperature Measurement Range:Indoor Temperature: -10 to 50(+14 to +122)Outdoor Temperature: -50 to 70 (-58 to +158)Humidity Measurement Range: 20%RH to 90%RHBasic Skills:Indoor/Outdoor Temperature, Indoor Humidity Display/ Temperature Switch DisplayIndoor and Outdoor High and Low Temperature Memory FunctionWeight: Approx. 81g/ 2.9oz