Product features: Compact optical tester for liquids. Allows instant measurement of freezing point of glycol based fluids. Ability to check the electrolyte content in the battery. A clear control panel and sampling pipette make the viewfinder easy to read. Extremely fast and accurate operation with zero power consumption. Specification: Material: plastic Instant and accurate measurement Necessary accessories (such as pipette and screwdriver) Length: 16cm Width: 2 - 4 cm Color: as shown in the picture
