Moisture: 0-99%PH: 3.59Temperature: 0-50 /32-122 Sunlight: 0~100000LUXHumidity: 0~99%Battery: 2 * AAA battery (not included)Product size: 49 * 40 * 81mm/1.9 * 1.6 * 3.2inchProbe length: 180mm/7.1inchPrecautions for Use:1. Do not insert the metal probe of this product into very hard soil or other hard objects to avoid damaged the probe;2. This product is only suitable for testing soil and should not be used for testing pure water or other liquids;3. The probe of this product should not be inserted into soil for a long time to avoid corrosion and affect data accuracy;4. After using this product, it is necessary to clean the probe section in a timely manner to ensure that the probe is in a clean state;5. The soil test data may vary at different depths, and it is recommended to take the average test data after multiple tests; When testing fertility or soil pH, the soil to be tested should be kept moist.7. Thoroughly clean the probe, then press and hold the test button until the soil indicator light comes on. When the flashing stops, release the test button to perform pH 0 calibration.Usage:1. Remove the product, open the back battery cover, install two AAA batteries, press the power button, and the test interface will display normally;2. Remove debris from the soil surface, avoid stones or other hard objects, hold the product tightly, insert the probe vertically into the soil at a depth of about 2/3, do not shake, and ensure that the probe is in full contact with the soil.3. Press the test button and the value will start flashing. Wait for stability, then read the value. Press the temperature key to switch to Celsius, then press again to switch to Fahrenheit, and repeat this process.