Product DescriptionPackage Contents: 1 * humidifier1. [4-IN-1 Plant Soil Tester]: 4-in-1 Soil Tester Moisture Meter: pH value (3.5-9.0, 12 levels), sunlight intensity (9 levels), humidity (5 levels) and temperature (-9 C to 50 C; 16 F to 122 F) in the soil, making it easy for you to know the plant's condition. (NOTE: Do not use it to directly test pure water and other liquids.)2. [Large, Backlit, Easy-to-Use LCD Screen]: This soil tester uses a large LCD screen to easily display a variety of readings, and a green backlight allows you to read the parameters in dark conditions.3. [Easy to Use]: Connect a 9V battery (not included), remove the protective cover of the probe and turn it on, insert the probe straight up and down gently, the LCD screen will show the four indices of the detected area.4. [PLANT CARE ASSISTANT]: Ideal tool for testing soil conditions (moisture / light / PH) for fruits, flowers, vegetables, shrubs, etc. Excellent tool for planting your garden and plants.5. [Quick response]: Fast response time and 5 minutes automatic shutdown, which can save battery life. In addition, there is a low battery indicator on the screen.