brand new and high quality Features: The instrument can effectively detect the concentration, and the urea content directly affects the catalytic efficiency of for NOx and the freezing point of the urea solution. The use of catalytic reduction of urea solution is an effective means to control the exhaust emissions of vehicles. The instrument can quickly detect the concentration of vehicle urea solution and quickly identify tools for the convenience of some products. Specification: Type: Freezing Point Material: Metal, Plastic Applications: Automobile, industrial, repairing Features: Reliable, Accurate, Small size, Light weight, Beautiful appearance, Easy to operate, Auto parts Dimension: app.15.8cm/6.22in Color: Black Quantity: 1 Pc Note: 1.Do not enter the liquid and water adjustment knobs and eyepieces to avoid damaging internal components. 2.Immediately after use, wipe the prism and refracting plate with a clean cloth. 3.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 4.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 Pc x Freezing Point