4 in 1 Soil Moisture Monitor: Monitors light, temperature, humidity and nutrients; Find your plant in the vast database of more than 6,000 plants and save the daily growth record in "Flower Care" iOS or Android app via a Bluetooth connection, which help you grow your plants and flowers better. Multi-Fertility Plant Monitor: EC Sensor - accurately detects soil nutrients, has 4 EC sensors that detect soil nutrients and convert them into a precise velum to display on a smartphone. The database provides perfect nutrient interval values for different plants, just follow them. The EC sensor is made of stainless steel, which increases the reliability of Flower Care for long-term use in the soil. Moisture Levels Meter: A long black strip sensor helps to quickly detect soil water content and can accurately know if the plant needs to be watered; Accuracy of monitoring results reaches the EC5 professional soil sensor standard. Temperature / Light Monitors: Mijia Plant Sensor soil moisture sensor has a precise professional temperature / light sensor helps you to monitor and analyze sunlight and temperature, a measurable light intensity up to 100,000LUX, The accuracy of the intensity bright can go up to 100LUX and the accuracy of the temperature can go up to 0.5 . "Flower Care" APP Connection:Connects to your smartphone via a high-efficiency Bluetooth 4.1; Full control via the free "Flower Care" app for Android and iOS, available on Google Play and App Store; Works with the CR2032 coin cell (included) with a life of up to 1 year.Please remove the insulation sheet of battery before use, otherwise the device will can't work.