About this item: [Blutooth Flower Care Monitor 4 in 1] Flower Care - Monitors light, temperature, humidity and nutrients; Find your plant in the extensive database of over 6,000 plants and record the daily growth log in the iOS or Android ""Flower Care"" app via the Bluetooth connection, which helps you grow your plants better and flowers. [Fertility EC Sensor]: Accurately detects soil nutrients, has 4 EC sensors that detect soil nutrients and make it an accurate veil to display on smartphone. The database provides perfect nutrient range values for different plants, just follow them. The EC sensor is made of stainless steel, which increases the reliability of Flower Care for prolonged use on the ground. [Moisture Levels]: A sensor with long black stripes helps to quickly detect the water content of the soil and can know precisely whether the plant needs to be watered; The accuracy of monitoring results reaches EC5 professional soil probe standard. [Temperature/Light]: Plant Sensor Plant Monitor has an accurate professional temperature/light sensor that helps you monitor and analyze sunlight and temperature, measurable light intensity up to 100,000 LUX, light intensity accuracy can reach 100LUX and temperature accuracy can be up to 0.5. [Bluetooth 4.1 Connection]: Connects to your smartphone via high-efficiency Bluetooth 4.1; Full control thanks to the free "Flower Care" application for Android and iOS, available on Google Play and App Store; Operates on CR2032 coin cell battery (included) with up to 1 year life. Package includes: 1 * Soil Tester. 1 * User Instructions(English language not guaranteed). Remember: 1. For indoor use only. 2. Make sure your phone system is Android 4.3 or iOS 9.0 and above. 3. EC probes cannot be immersed in water for a long time. When tracking hydroponic flowers, it only takes seconds. 4. The top of the soil moisture monitor should not soak in water. 5. It should be kept dry.