1. With a movable upper cover, protecting the scale. 2. High-precision strain gauge sensor, reliable to use. 3. LCD display with blue backlight for easy reading. 4. Unit: g, oz, gn, ct, dwt, ozt. 5. Automatic zero tracking. 6. Simple calibration (needing calibration weight). 7. Support tare weighing. 8. Overload and low power indication. 9. Automatic power off after 60s 10. Fast response and stable performance. 11. Small size and exquisite appearance, easy to carry. 12. Suitable for weighing jewelry, gold, silver, diamond, tea, food, etc.