3 In 1 Soil Detector PH Value Light Intensity Test Pen Round Head Soil Dry Moisture Meter 1. Material: Plastic 2. Size: About 36.8x6 cm 3. Weight: About 58 grams 4. Test range: Illuminance, humidity, PH value 5. Scope of application: Greenhouses, farmland, potted plants, gardening, trees, etc. 6. Features: Double needle detection design, can quickly check and analyze the soil condition, no battery power supply, plug and play, no consumption, energy saving and environmental protection, adjust the button, which value needs to be displayed, just dial the button to the corresponding place, multiple gears Display, humidity value, PH value, and illuminance are displayed in one, wide scale interval is large, and the digital dial is clear note: 1. The soil detector only tests soil and soil, etc. It is not applicable to dry flour, small stones, organic wood, wood with liquid, particles, etc. 2. When the detector probe is inserted into the soil, please try to keep it at a depth of 10CM and above (just inserting the probe will have no effect and will not move) 3. In order to improve the accuracy of the measurement results, please use the method of multi-point test and average value when measuring the value 4. When using, pay attention not to touch the stone when inserting the electrode, otherwise the force is too strong, otherwise it will easily damage the electrode 5. The detector should not be inserted in the soil for a long time, it is easy to oxidize and damage the probe 6. After use, please clean the detector probe, the probe should be kept dry and stored 7. The detector is suitable for detecting moist soil. If the soil is too dry, please moisten the soil first, as the humidity will be too high or too low to affect the pH value