-The latest Greentest ECO6 is intelligent detection equipment that combines nitrate, radiation and water hardness levels. Using newly developed nitrate detection technology, Greentest ECO6 can not only quickly and accurately determine the safety of over 64 of the most commonly consumed fruits, vegetables, fish and meats, but also determine drinking water hardness and ambient radiation levels so users can protect themselves from unsafe radiation ions.-Users can also connect the device to a smartphone and conduct determinations through the app.-The latest version of the device features a capacitive screen that is more sensitive to touch. It connects to the mobile app, storing and sharing data. A timer function has been added to help control cooking time and preserve maximum vitamins and nutrients.