Description: Two specifications allow you to choose the most suitable one according to your needs. The battery-free feature makes it very convenient and easy to use. The wide range of applications allows it to be used in a variety of occasions. High sensitivity and high precision make it very efficient and reliable. Made of copper and ABS material, it is very durable to use. There are two specifications for you to choose. It is very suitable for quick reference maintenance of pH and moisture in vineyards, orchards, field production, nurseries, and lawns. Item Name: PH Tester Material: Copper,ABS Rotation Angle: 90 Degrees Features: High Sensitivity, Precise, Widely Used Measuring Range: Test Soil Fertility, PH, Humidity How to Use: Insert Directly Into The Soil, No Battery Needed Usage Scenarios: Courtyard Garden, Greenhouse Planting, Orchard, Family Balcony Indoor Flower Planting, etc. 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 the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Steps for Usage: 1: Clean the surface soil layers all impurities which may affect the test results, such as the leaf or the root. 2: Clean the probe tip with wipes or abrasive cloth. 3: Insert the probe tip in the testing soil, the probe tip should LEVEL with root. 4: Reading the result when the value is stable 5: Testing it again on the different place of the testing soil, then calculate the average value. Package Includes: 1 x PH Tester