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The hydrometer is designed to measure spirits or liquids lighter in density than water, and it is not suitable for measuring wine.
Package includes: 
A:  3 pieces Alcohol hydrometers:  For :  ABV.  Range 0-40%, 40-70%, 70-100%
B:  1 thermometer for  0-50°C Temperature Calibration. It is calibrated at  20°C 
C:  Accurate reading  conversion Chart in English
D; 1 Box for carry  on and Storage