Two specifications available for selection based on your needs. Battery-free design ensures convenient and easy operation. Wide application range suitable for various environments. High sensitivity and precision provide efficient and reliable performance. Constructed from copper and ABS materials for durable use. Ideal for quick reference testing of pH and moisture in vineyards, orchards, fields, nurseries, and lawns. Item Name: PH Tester Material: Copper, ABS Rotation Angle: 90 Degrees Features: High Sensitivity, Precise, Widely Used Measuring Range: Soil Fertility, pH, Humidity How to Use: Insert directly into the soil. No battery required. Usage Scenarios: Courtyard garden, greenhouse planting, orchard, family balcony, indoor flower planting, and more. Size Details: Short: Length: 22cm/8.66", Width: 6.2cm/2.44", Height: 3cm/1.18", Probe Length: 10.8cm/4.25" (Approx.) Long: Length: 27.5cm/10.83", Width: 6.2cm/2.44", Height: 3cm/1.18", Probe Length: 16cm/6.3" (Approx.) Probe Diameter: 0.5cm/0.2" (Approx.) Notes: Due to lighting and screen setting differences, the item color may vary slightly from images. Slight dimensional variations may occur due to manual measurement. Usage Steps: 1. Clean surface soil layers of impurities such as leaves or roots that may affect results. 2. Wipe the probe tip with a clean cloth or abrasive material. 3. Insert the probe tip into the soil, ensuring it is level with plant roots. 4. Wait for the reading to stabilize before recording the result. 5. Test in multiple locations within the same area and calculate the average value. Package Includes: 1 x PH Tester