1、4‑in‑1 soil tester, it can be used to detect soil moisture, temperature, light and pH. 2、By measuring soil moisture and temperature, determine whether plants are full illuminated and whether soil pH is suitable for plants. 3、Help to keep soil of your garden or lawn in the best condition, more conducive to the normal growth of plants. 4、If tested soil is too dry or too fertile to measure accurate pH value, can sprinkle some water and measure again after half an hour. 5、Easy to use, insert probe vertically into middle edge of plant stem and gently push it into soil to avoid damaging. 6、Suitable for gardens, lawns, farms, indoor and outdoor plants, fruits, vegetables, plants, flowers, trees, shrubs, etc. Condition: 100% Brand New Item Type: Soil Tester Material: PP Accuracy: 0.1 Weight: Approx. 155g / 5.5oz Length: Approx. 31.5cm / 12.4in Battery Attributes: 1 x 9V Battery 350MAH (Battery Not Included) Instructions: Before use, please install battery (not included) and remove the probe protective cover 1. Light measurement A. Press the ON button to turn on the instrument B. Aim at the highest point light source light sensor window C. The current light strength will be displayed on the LCD Note: Please do not block the light or create shadows on the light sensor 2. PH range measurement A. Push the PH/℃ button on the back to the PH position B. Insert the probe vertically into the soil, it needs to be tested as soon as possible C. Press the ON button to start measurement D. The tested PH value will be displayed on the LCD screen E. Measure several times to get the exact value needed Note: 1). Insert the probe vertically, at the edge of the plant stem in the middle. 2). Please gently push into the soil to avoid damage to the probe. 3). If the measured soil is too dry or fertile to measure the accurate PH value, the user can sprinkle some water and measure again after half an hour. Soil PH Classification: <4.5 extremely strong acid, 4.5-5.5 strong acid, 5.5-6.5 acid, 6.5-7.5 neutral, 7.5-8.5 alkaline, 8.5-9.5 strong alkaline, >9.5 extremely strong alkaline 3. Moisture measurement A. Push the PH/℃ button on the back to the ℃ position B. Insert as vertically as possible into the soil C. Press the ON button to start measurement D. The tested soil moisture will be displayed on the LCD screen 1 x Soil Tester (Battery Not Included) 1 x Manual