㳭in-1 Soil Tester㔨e plant moisture meter can test soil moisture, pH value and sunlight level respectively, helping you grow plants more scientifically. ㅡsy Operation, Quick Measurement㱮 Just insert the sensor probe gently and slowly into the soil about 2-4 inches. 2. Switch function keys to Moisture, Sunlight, or pH. 3. Read measured levels of the soil. (Note: No test result in liquid or water.) 㕳er Friendly, Battery-Free㓩mple and clear color division, the elderly can be also easily used. No battery design, more suitable for you who love green environmental protection. 㔥sting Range㐬ant Moisture Meter Range: 1-10 (1-3 Dry, 4-7 Normal, 8-10 Wet). Soil pH Tester Range: 3.5-8 PH(3.5-6.5 Acidic, 7-8 Alkaline). Light Meter for Plants Range: 0-2000 lux (0-200 Low, 200-500 Low+, 500-1000 Normal, 1000-2000 High). 㗡rm Tips㱮The plant thermometer is specially designed for soil, please do not use it to test the water or other liquids. 2. Rock or other too-hard soil may cause probe damage. 3. Our plant water meter for indoor potted plants is not suitable for sandy, and other fluffy soil.4. After use, please take out the moisture meter and wipe the probe. Do not leave it in the soil for a long time. 5. If you have any questions during use, please feel free to contact us, we will be honored to serve you.