Product Material: Plastic+Metal Height: 7.7 x 3.3 cm Probe Length: 20 cm Color: Black Packing List: 1 x 5-in-1 Soil Moisture Thermometer 1.5-in-1 Measurement of Soil Moisture, Soil pH, Soil Temperature, Sunlight Intensity, and Environmental Temperature and Humidity for Planting Vegetables. 2. Time saving, efficient, and time saving. It is a great tool for gardening and planting. Know when to water, adjust pH, or change the lighting of gardens, indoor and outdoor plants. 3 Large backlit LCD soil Hygrometer is equipped with a large LCD display, which can easily display different readings. Thanks to the green backlight, indexes can be read even in the dark. 4. Easy to use - Insert a 9V battery (included), remove the protective cover of the probe and open it. Quietly open and close the probe directly.