Professional Soil PH Meter Soil PH EC Fertility Salt Tester Monitor Smart Bluetooth Light Air Humidity Detector for Plant Garden Farm Multi-functional Plant Soil Moisture and pH Tester --- This tester is designed to test plant soil moisture, light, pH, EC, fertility, salinity, temperature and air humidity. It's a perfect soil pH test kit with high accuracy, fast response, and easy to use Ideal for garden, lawn, farm, indoor and outdoor use, help you take better care of your flowers and plants. Bluetooth Smart Soil Testing---The Soil Tester Connects to Your Mobile Phone Via Bluetooth, the APP display the you need in full screen. You can save all the and share it via email. Provides comprehensive for optimal plant care. Insert the probe into the soil 3-4.7 inches, after about 3 seconds, the probe display the soil's moisture value, light value, pH value, EC value, fertility value, salinity value, temperature value, and air humidity value at the same time. This help you to grow plants and flowers better. Fast and Accurate Measuring Tools---Digital Soil pH Meter is made of advanced probe technology, which is more to than ordinary materials. It has higher conductivity and sensitivity, which greatly improves the speed and accuracy of detecting and analysing soil moisture, EC value and pH value, so that you can know the growing environment of your plants timely and accurately. The light intensity analysed by the light sensor on the instrument also allows you to know when to water, control pH and temperature acidity, and determine if your plants are enough light to grow them better in a more scientific way. Professional Multifunctional Soil Tester---It is suitable for indoor and outdoor, home gardening, farms, vegetable gardening, pot gardening, flower gardening, greenhouse gardening, soil testing and so on. Colour:As Shown Material:plastic Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 1 set * pH calibration powder (pH 4.00, 7.00 and 10.01) 1 * EC calibration solution 1 * cleaning cloth Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.