New Greentest ECO 6 in fancy and exclusive GOLD COLOR! Modern capacitive screen, new design and functions. You can connect your device to your smart-phone and make measurements via App. Developed using the latest in nitrate, water hardness and radiation testing technology, Greentest Eco 6 GOLD detects nitrate levels in 64 of the most commonly consumed fruit and vegetables as well as all types of meat and fish. Additionally, it detects total dissolved solids (TDS) in water (or water hardness), as well as background radiation in your immediate environment alerting you to unsafe radiation exposure. It’s unique rapid analysis feature can tell you in just 3 seconds if your food, water or environment is harmful to your health.