[4-in-1 Soil Tester]: Better check the moisture, light, nutrients, pH of the soil and take better care of our plants. The soil meter helps to check the soil condition, so you can apply proper water, and light on your plants and enjoy the harvest and lushness faster. [NO BATTERY REQUIRED]: No burden of searching for a power source, easy to store and carry. perfect for indoor potted plants, lawns, agriculture and greenhouses. [HIGHER QUALITY]: The single probe does not harm . The probe is upgraded and durable to withstand complex soil conditions, allowing you to insert it wherever you want. [COMFORTABLE READING]: The 90 swivel head allows you to bend the meter at different angles for a comfortable reading position. You can read the scale without bending over. [How to use]: Simply switch to the value you want to test and insert the probe at least 2.5 inches (about 6.4 cm) into the soil. You'll get your results in seconds. Clean the probe each time you complete a test. Humidity:1-10 (DRY-WET) Lighting:0-2000 (DARK-light) pH:8-3 (alkaline-acidic) Working temperature:-10-60 Note: 1. The soil tester is specifically designed for soil, please do not use it to test water or other liquids. 2. Rocks or other excessively hard soil may damage the probe, so please do not use too much force 3. Our detector is not suitable for particles, sand, and other loose soils. 4. After use, please take out the hygrometer and wipe the probe. Do not leave it in the soil for a long time 5. Most plants have soil pH values close to neutral, so the range of pH probes for testing is very small Colour:White Material:Plastic+Metal Package Contents: 1 * Soil Moisture Meter Only the above package content, other products are not included. Note: Light reflection 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.