Precise and professional digital millimetre scale: 50 g capacity and 0.001 g accuracy. Mini precision scale with high precision, perfect for weighing gold or jewellery, weighing powder or other small things. Includes a set of batteries. Wind protection and portability: 0.001 g precision scale with wind protection to prevent the influence of weighing accuracy by interfering with the external environment. Mini compact size and easy to carry. LCD screen and PC button: digital scales, the blue LCD display is easy to read even at night, 6 weight units: g, oz, dwt, ct, gn, tl. PCS function gives you accurate counting, tare function ensures more precise results. Stability and reusability: Milligram scales adopt high-quality I-shaped sensor - better stability and better repeatability. 30 seconds auto power-off function saves battery life for long lasting use. [Calibration Function] Please put a 50g weight before use to calibrate the milligram scale. If the display is not 50g, please read the calibration manual.