ladacèe[Measure pH Value] Test the pH value of plant soil, quickly helps you specialize when you need to water your plant and control the pH value in the soil. [Accurate and Reliable] Premium double needle detection technology greatly improves the speed and accuracy of detecting and analyzing soil pH acidity, refuses to kill plants, promotes healthy plant growth. [Easy to Use] Just insert the probe into the soil about 15cm, toggle the switch to test the pH you want to measure, and then wait a few minutes until the pointer stops rotating to get a stable reading on the scale dial. If the plant is very dry, the soil pointer will not move, it means your plant needs water. [Indoor and Outdoor Use] Designed to be lightweight and portable, easy to carry outside, ideal soil testing tool kit for houseplants, gardens, lawns and farms. [No Battery Needed] No batteries or electricity required, ready to use out of the box. Plug and play, making gardening easier than ever. Specification: Color: Black pH Range: 2.5-9 PH Ambient Temperature: 5-50°C Soil Meter: This soil meter helps you know your soil more clearly and treat your plants more rationally. Ideal tool for plant tester: compact and portable design for indoor/outdoor use. Quantity delivered: 1 piece note: 1. Do not force it into very hard soil or touch hard objects, as it is easy to damage the probe. 2. Do not use it to test pure water or other liquids. It can only be used for soil measurement. 3. Do not leave the meter in the soil for too long. 4. Wipe and clean the probe after each use. 5. If the soil is too dry, the indicator does not move, and water it before testing.