Condition: 100% New_x000D_Item Type: Automotive Antifreeze Refractometers_x000D_Material: Aluminium Alloy_x000D_Measuring Range of Freezing Point of Glycol Coolant: -50-0Measuring Range of Freezing Point of Propanediol Coolant: -50-0_x000D_Battery Fluid: 1.100-1.400sg_x000D_Resolution Factor: 5C(10F), 5C(10F), 0.01sg._x000D_ATC (Automatic temperature compensation) Compensation Range: 10C-30C (50F-86F), 10C-30C (50F-86F) 1With a clear measuring scale, and it is easy to focus and calibrate during the measurement process, and the measurement value can be read directly. 2Equipped with a 4?in?1 scale, and with it you can be aware of the comprehensive information clearly, which is convenient. 3With aluminum alloy structure and soft and comfortable non?slip pad, making it lightweight and durable 4Compared with other refractive agents made of inferior materials, our antifreeze refractometer is non?corrosive, non?reactive aluminum alloy, portable and scratch resistant. 5With compact shape, lightweight and portable, take up no space and you can put it anywhere.1 x Antifreeze Refractometers 1 x Dropper 1 x Screwdriver 1 x Manual 1 x Toolbox