Refractometer, Automatic, Range 1.000 to 1.463 Battery Electrolyte SG, 32 Degrees to -60 Degrees F Propylene Glycol, 32 Degrees to -65 Degrees F Windshield Fluid, 32 Degrees to -70 Degrees F Ethylene Glycol, Automatic Temperature Compensation Yes, Accuracy +/- 0.003 SG (Battery Acid), +/- 0.5 Degrees F EG Freeze Point, +/- 0.5 Degrees F PG Freeze Point, +/- 2 Degrees F Windshield Washer Fluid, Resolution 0.005. This item has been restricted from sale in the following state (s): []