Test sugar content in a range of 0-32% with ±0.1% precision and 0.05% resolution for reliable results every time. Energy Efficient: Fully charge in just 1 hour and enjoy up to 30 days of use, all within a pocket-sized, portable design. Link to the app to save and share your , allowing for better tracking and easy access to results. Dust, drop, and IP67 water-, making this refractometer perfect for use in rugged environments or . Ensures accurate readings from 5°C to 45°C (41°F to 113°F), eliminating the need for manual temperature adjustments. Color: As Shown Material: plastic Package Contents: 1pcs x refractometer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.