SHIZHI Boutique.Fast measurement: Brix meter needs only 2 or 3 drops of solution to get accurate readings quickly and easily, simple operation, no solution wasting Beverage production, monitoring the maturity of grown fruits and vegetables, and for laboratory research 3. Automatic temperature compensation; measuring range: Brix: 0-32%, Alcohol: 0-140, Refractive index: 0-27 Automatic temperature compensation when ambient temperature changes, fast and easier to get readings 4. Durable amplifier; Portable: The sugar refractometer is made of aluminum and ABS rubber, with a sturdy design, rust, wear, and corrosion resistance. Optical lenses with high refractive index provide accurate measurements. 5. Easy to operate, just need 2-3 drops of solution to get accurate readings. Great for home brewing, winemaking, farming, gardening amp; educational purposes. SHIZHI Boutique.Shipping Quantity: 1 Piece SHIZHI Boutique.Product color: black SHIZHI Boutique.Product size: 3*4*17cm