The NY2000 Pocket Brix Meter handheld refractometer uses advanced near-infrared spectroscopy combined with the latest international artificial intelligence algorithms to quickly and non-destructively detect the composition of fruits. Its built-in lithium battery ensures it can be used anytime and anywhere, making it highly convenient for various applications, including fruit and vegetable cultivation, quality rating, implantation research, school management, fruit transportation and logistics centers, and as a daily life assistant.