1Digital display seawater salinity meter, is an indispensable measurement tool for marine aquaculture. 2Foldable design, convenient for multi-angle measurement, more convenient to carry after folding. 3With LCD display screen, it can visually display the measurement results, and the operation is simple. 4Suitable for aquaculture, drinking water, swimming pools, aquariums, food processing, laboratories, paper industry, etc. 5High accuracy, rapid measurement response, stable performance and high reliability.Condition: 100% Brand New Item Type: Tester Material: ABS Battery Attributes/Capacity: 3 x AG13 Button Batteries/1.5V (Battery Not Included) Measuring Range: Salinity: 0~42 Specific Gravity: 1.000-1.032 Temperature: 0-50 Accuracy Range: Salinity: 2FS Specific Gravity: 0.002 Temperature: 1 Resolution: Salinity: 0.1 Specific Gravity: 0.001 Temperature: 0.1 Environmental Relative Humidity:1 x TDS EC Tester (Battery Not Included)1 x Manual1. Please allow 0-1in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.