3-in-1 Functions: Monitor soil condition with ease. Enjoy gardening and planting with the great tool. Easy to Use: The soil tester works relies on electrodes, does not require batteries or other power. Just inserting the soil moisture meter and wait seconds to read the intuitive data. Accurate & Reliable - Double-needle Detection Technology strongly enhances the speed and accuracy of detecting and analyzing soil moisture, pH and light. Multi-Application: Suitable for garden, courtyard, lawn, greenhouse, plantations, indoor and outdoor potted plants and more. How To Use: Step 1: Push the switch to moisture/pH/light position. : Stick the probes into the soil 4-6 inches (2/3 of the probes). Step 3: Adjust the position of the probes until the pointer on the dial swing slightly. Step 4: After 10 minutes, read the data you are measuring. Step 5: Remove probes from soil and wipe clean after each use. Colour:blue Material:plastic Package Contents: 1 * Plant Hygrometer Warm Tips: 1. This soil tester can only be used in soil. Don't apply it to test any liquid, such as water, lemon juice, vinegar and so on. 2. To avoid damaging the probe, please don't insert the probe into very hard soil or knock against hard objects. 3. To maximize the accuracy of sunlight readings, let light sensor that is at top front of dial towards the Sun. 4. Don't leave the probe in soil for a long time. Take it out and clean it after use. Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.