[Smart and portable]: Lightweight, easy to carry and clean, anti-fall [Refractometer range]: range: 0-32%, accuracy: ±0.1% [Easy to operate]: After a simple calibration, the reading will be quickly displayed on the screen in less than 3 seconds [Choose a healthier lifestyle]: Great for testing fruits, juices, vegetables, coffee or other drinks, allowing you to control your sugar intake. [Use anytime, anywhere]: Comes with a dropper for easy sampling