Professional Accuracy: This digital scale can weigh jewelry from 50 grams to 0.01 grams. So it is professional enough to be used as a scale for jewelry, labs, diamonds and carats. Thanks to its ultra-compact size, you can take it everywhere, even in your pocket. The margin of error is 0003g. Tare range: The precise 'tare' button calculates the net weight of ingredients, automatically subtracting the weight of any bowl or container. (without battery) LCD display: The blue backlit LCD display is easy to read, even in difficult lighting conditions. Press the "mode" button to change the weighing units: G, OZ, ozt, SWT, CT and GN. Elegant design and space saving: thanks to its ultra - compact dimensions (115 x 66 x 31 mm), this professional scale takes up little space desktop and is portable. Reliable Quality: High-density ABS case protects the internal structure and ensures accurate weighing. Please place the scale in a clean environment. Dust, dirt, humidity, vibration, airflow and proximity to other electronic devices can affect the scale's reliability and accuracy.