Feature:1. Dual Screen Display: With dual screen display, temperature and humidity can be displayed separately, which is convenient for recording and measurement.2. LCD Screen: Using LCD screen, the screen display is clearer, and reading is more convenient.3. Digital Storage Function: With digital storage function, it can store test data within a certain range, which is convenient for you to compare temperature changes at different times.4. High Low Temperature Automatic Alarm: With high and low temperature automatic alarm function, you can set any high temperature and low temperature alarm range.5. Uses: Wide range of applications and can be used to detect home temperature and humidity, and can be used in living rooms, bedrooms, etc.Specification:.Item Type: Digital Thermometer HygrometerMaterial: PlasticProduct Size: Approx. 8 x 7 x 1.6cm / 3.1 x 2.8 x 0.6inBattery Parameters: 1 x LR44 Button Battery ( Battery Not Included)Temperature Measurement Range: -40℃ To 120℃Humidity Measurement Range: 20%RH to 95%RHFunction: Temperature, Humidity Display;℃/℉ Temperature Switch Display;High and Low Temperature Automatic Alarm Function (Default High Temperature is 28℃, Low Temperature is 18℃, and Any High Temperature and Low Temperature Alarm Range Can Be Set)Weight: Approx. 81g / 2.9ozPackage List:1 xDigital Thermometer Hygrometer(Battery Not Included)1 x Cable1 x English User Manual