ITEM NAME:Hand Held Refractometer Antifreeze Battery Acid Engine Coolant Test Tool Description: - Features ATC (Automatic Temperature Compensation) for accurate readings. - A refractometer is easier and more accurate than a hydrometer for measuring antifreeze point and battery specific gravity and glass freeze point - Antifreeze: -50℃~0℃ and Battery Specific Gravity:1.1-1.4; glass freeze: -40℃~0℃ - Easy to use and bring - Don't put it in a place which the humidity is over 85% for a long time Specification: - Size: 15.8*4CM - Material: Metal - Color: Black Package Included: 1x Refractometer.Antifreeze: -50℃~0℃ and Battery Specific Gravity:1.1-1.4; glass freeze: -40℃~0℃.
