Refractometer, Hand-Held, Range 0 Percent to 82 Percent, Automatic Temperature Compensation Yes, Accuracy +/- 0.2 Percent Glycerin, +/-1 Degrees F Glycerin Boiling Point, +/-1 Degrees F Glycerin Freeze Point, Resolution 0.2 Percent Glycerine, Function Measures Glycerin Freeze Point, Glycerin Boiling Point, Glycerin Percent Concentration, Length 3 29/32 in, Width 2 7/64 in, Height 1.1094 in, Includes (2) AAA Batteries, Holster Case, Manufacturers Warranty Length 1 yr. This item has been restricted from sale in the following state (s): []