1.and LongLasting: Crafted to last with top-notch materials, this handheld concentration tester stands up to frequent use, making it ideal for both professional and home settings. Its sturdy construction ensures you'll be testing the quality of your brews for years to come 2.: This wine making beer brewing refractometer is hand held and comes with Automatic Temperature Compensation (ATC) which makes it extremely user-friendly. Designed for convenience, making it for both at-home hobbyists and professional brewers 3.Accuracy: This wine tester meter guarantees and accurate results every time. The digital dual scale allows for seamless measuring without any guesswork involved. A professional measure instrument to test alcohol concentration of wine or liquid 4.: Meter double scale wine refractometer is not just for wine - the refractometer is also suitable for testing the alcohol content in distilled beverages, rice wine, maple syrup, and for wine brewing processes. An essential tool for quality control in any drink production