Features:1.It is a multifunctional refractometer,designed to test antifreeze,battery fluid, adblue, ethylene glycol, propylene glycol, coolant,cleaner content.2.Easy to focus & calibrate,accurate and reliable.3.Lightweight and portable Al and rubber material, easy to use and carry.4.Built-in ATC (Automatic Temperature Compensation).5.Durable and have a long life.Descriptions:1.Lightweight and portable, easy to carry.2.Ergonomic design with anti-slip rubber plate,convenient to use.3.Widely used for scientific research,car vehicle industry etc.Specifications:Color: blackMeasuring Range:Adblue:30% ~ 35%Ethylene glycol:-50 ~ 0°CPropylene glycol:-50 ~ 0°CAntifreeze:-40 ~-10 °CBattery fluid:1.100 ~ 1.400sgCoolant:-50 ~ 0°CCleaner:-40 ~ -10°CAccuracy:±0.5%/±5°C/±0.02sgAutomatic Temperature Compensation:10 ~ 30°CSize:156 x 40 x 40mmWeight:90gPackage Informations:Package Size: 205 x 83 x 53mm/8.07 x 3.27 x 2.09inPackage Weight:229g/8.09ozPlastic Box PackagePackage Included: 1 x Refractometer1 x Mini screw driver1 x Pipette 1 x Cloth1 x User Manual1 x Carry Box