3 IN 1 SOIL TESTER - Measures three key parameters to ensure your nutrient solution is at the right level and available to your plants. This 3 in 1 device will measure your EC, soil moisture & soil temperatures directly in your solution, to optimize nutrient availability through the growing system. SIMPLE & EASY TO USE - This device is all you need for a simple, reliable nutrient solution, and root zone management. Featuring a detachable probe with simple, 2-point calibration makes for easy maintenance. Quick and intuitive to use with simple one-button presses to change between measurements. The RCYAGO soil tester provides a simple quick start guide to help you get started fast. INSTANT & ACCURATE Soil EC Tester provides fast and easy on-the-spot EC measurements for soil and hydroponics nutrients, etc. With data retention function, low battery warning. LCD DISPLAY EC/TEMP dual-display on LCD screen which is easy to read. There is a C/F button that you can press to switch between Celsius and Fahrenheit. HELP YOUR PLANTS GROW - Fast, Reliable, and Versatile: Soil conductivity tester means you will be able to measure more and build a better understanding of your complete growing system. The probe can be used to measure nutrient solution and directly in the root zone in a range of growing substrates including soil, paddy, vegetables, orchards, flowers.