Solar Soil Plant Care New 3 In 1 Water Moisture Hydroponic Plants Soil Sensor Ph Light Meter, Acidity Tester 3-IN-1 FUNCTION - Integrated function of soil moisture meter, soil pH meter sunlight meter. This soil pH meter can't be used to test pH value of any other liquid. ACCURATE RELIABLE: This soil moisture/ph/sunlight meter is designed with premium Double-needle Detection Technology. Easy to read with the speed and accuracy it has. HOW TO USE : Keep it about 10mm outside, switch to the setting you want to measure and read the scale. For example: To check moisture, scale of 1-3 (red) shows soil needs water, 4-7 (green) shows perfect, and 8-10 (blue) shows soil is too wet. READINGS - Moisture readings on a scale of 0 (dry) to 10 (wet), light readings range between 0 (dark) to 2000 (light), and pH readings between pH 3.5 (acidic) to pH 8 (alkaline). INDOOR OUTDOOR : This soil tester doesn't need battery, it works by the probe and light sensor, energy saving and environmental protection. This soil ph meter is lightweight and portable, easy to carry around for outdoor use. Plant Care New 3 in 1 Hydroponic Plants Soil Moisture PH Light Meter good for agriculture and home gardening soil testing use. This 3-in-1 moisture, pH and light meter with easy to read scale could save you a lot of money and stress. Using this scientifically accurate measuring water moisture testing device you can be sure your soil moisture and pH is maintained at the right levels. You can also monitor that your plants are getting enough light. Technical Details : 3 in 1 multi-functional moisture, PH and light meter. Sensor Suitable for all types of soil farming solution for agriculture . Simply insert probe of the meter into the soil, switch to the setting you want to measure and read the scale. No battery required, simple and convenient to use. Helps you ensure correct balance. How to use FreshDcart Solar Soil Plant Care New 3 In 1 Tester? 1- Clean the probe before use, and turn on the switch to the setting you want to measure. 2- Stick the probe into the soil about 2-4 inches. 3- Reading appears after a minute or so. Appearance of the reading may vary accordingly. Remove probe from soil and wipe clean after each use.