Features: The food salinity tester is a instrument for testing the salinity value of a solution.(Note: It can only test for liquids, not for foods without soup.) Put the food salinity tester probe into the solution at least 2cm, test it at least 1cm away from the container wall, and read the test value after the display is stable. 8 LED indicator lights: 0.3%0.6%(moderate); 0.8%1.0% (high concentration); 1.3%2.0% (too high concentration), the corresponding parameters are only for reference, due to taste, please try to determine yourself. 1 green LED for power indication. Compact size and lightweight, easy, and portable to carry, convenient to use. offer friendly customer service, which makes your purchase risk-free and you can enjoy testing its quality and durability. Specifications: Material: ABS Color: White Operating temperature: 7090 Measuring : 0.3-2.0%(Salinity) Battery: 4*LR44(not including) Product size: 212*24*15mm Product weight: 36g Note: *There could be some deviations due to manual measurement or slight color difference owing to photographing condition. Thank you for your understanding. Package information: Package weight: 60g Package size: 28.5*7*3cm Package list: 1*Food Salinity Tester 1*Manual