Specification Brand : Agatige BulletPoint : Compact Gem Refractometer Professional Tool Fit for Gemstone Identification BulletPoint1 : 【Antifreeze Refractometer】The coolant tester measuring freezing of automoblie antifreeze based on propylene glycol -50℉ to 0℉. Measuring battery fluid 1.10 to 1.40sg/l. Measuring cleaning fluid -40℉ to 0℉. BulletPoint2 : 【ATC Function】The handheld antifreeze refractometer can automatically compensate temperature when ambient temperature changes, eliminate the deviation, you can get the accurate results fast and easier. BulletPoint3 : 【Easy To Use】The atc antifreeze refractometer only need 2 or 3 drops of solution and wait for few seconds, then you get the accurate results. These antifreeze tester needs less sample solution than tradistional hydrometer. BulletPoint4 : 【High Quality】The battery antifreeze coolant refractometer is made of high quality materials, its excellent strength can make a good performance for a long servicing life, you can use it with confidence. BulletPoint5 : 【Compact and Portable】The glycol antifreeze refractometer is in small size and light weight, you can carry or use it at any time and does not take up too much space, that is very convenient and practical. ExternallyAssignedProductIdentifier1 : 0638337459545 ExternallyAssignedProductIdentifier2 : 638337459545 ItemName : Handheld Antifreeze Refractometer, Automotive Engine Battery Antifreeze Coolant Refractometer ATC Glycol Antifreeze Tester for Automobile Antifreeze System ItemPackageDimensions_Height : 6 centimeters ItemPackageDimensions_Length : 17 centimeters ItemPackageDimensions_Width : 12 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : science-lab-refractometers Manufacturer : Agatige ModelNumber : Genericnx1sbyv3p5 NumberOfItems : 1 PartNumber : Agatigexgaqr9wg3e ProductDescription : Features: 1. Aluminum body, firm and light weight. 2. Automatic temperature compensation (ATC) function. 3. Compact design with anti-slip rubber handle. 4. Equipped with a manual calibration knob, you can rotate it to the scale clear. 5. Soft eyepiece gives you great comfort while viewing. 6. No batteries or power supply are required. Specification: Model: RZ115 Measurement Range: Ethylene Glycol: -50℃ ~ 0℃ Propylene Glycol: -50℃ ~ 0℃ Cleaning Fluid: -40℃ ~ 0℃ Battery Fluid: 1.10 - 1.40sg Material: Aluminum & ABS Color: Black + Silver Size: 156*40*40mm / 6.1*1.6*1.6in Weight: Approx. 236g/8.3oz Package list: 1 * Antifreeze Refractometer 1 * Pipette 1 * Mini Screw Driver 1 * Wiping Cloth Note: 1. Due to the difference between monitors and light effect, the pictures may not reflect the actual color of the item. Please take the real one as standard. 2. Please allow slight error due to manual measurement. Thanks for your understanding. 3. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.