[4 in 1 Flower Care Monitor] The APP is "Mi Home", please choose the region "China Mainland" in the setting!!! HHCC Flower Care - Monitors light, temperature, humidity and nutrients; Find your plant in the vast database of over 3,000 plants and record the daily growth record in "Flower Care" or "Mi Home" iOS or Android app via Bluetooth connection, which help you grow your plants and flowers better [Fertility] EC Sensor - Accurately detects soil nutrients, has 4 EC sensors that detect soil nutrients and convert them into an accurate velum to display on a smartphone. The database provides perfect nutrient interval values for different plants, you just need to 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] A long black strip sensor helps to quickly detect the water content of the soil and can accurately know whether the plant needs to be watered; The accuracy of monitoring results reaches the professional EC5 soil probe standard [Temperature/Light] HHCC Plant Sensor Plant Monitor has a professional accurate temperature/light sensor helps you monitor and analyze sunlight and temperature, measurable light intensity up to 100,000LUX, The accuracy of light intensity can be up to 100LUX and The accuracy of temperature can be up to 0.5℃ [Bluetooth 4.1 Connection] Connects to your smartphone via high-efficiency Bluetooth 4.1;