This portable digital scale has small size and high accuracy (0,001g), ideal for accurate weighing of accurate metals, jewelry, gold, jewels, medicines, herbs, etc. Supports 6 units conversion and tare, calibration, counting pieces, automatic shutdown Functions. Features: This 0,001g high accuracy scale is ideal for accurate weighing of accurate metals, jewelry, gold, gemstones, medicines, herbs, etc. Conversion 6 units: g/gn/oz/ozt/dwt/ct, convenient to use. With tare, calibration and counting function, 3 minutes automatic shutdown. Windscreen included for a stable weighing process. Smooth platform does not stick weighing objects, it is delicate and beautiful. Mini size, user-friendly and portable. Specification: Item Type: Jewelry Scale Material: plastic; Kolor of the item: as shown in the pictures Maximum capacity: 100g Minimum capacity: 0,005g Accuracy: 0,001 Weighing error: 0,003 Calibration weight: 50g Unit switch: g/gn/oz/ozt/dwt/ct Backlight: blue Operating Temperature: 10 -30 Power control: automatic shutdown after 3 minutes without operation (configuration) Low Voltage Display: LO_ Overload display: O_Ld Product Size: Approx. 11.5x6.5x3.3 cm/4.5x2.6x1.3 inch 18x11x4 cm/7,1x4.3x1.6 inch Package Weight: Approx. 135-178 g / 4,8-6,3 oz The package contains: 1 * Jewelry Scale 1 * weight 1 * tweezers 1 * small tray 1 * User Manual Note: 1. 2. Please do not place anything larger than the rated weight on the tray. This can cause damage to the sensor. Do not hit the weight pan when placing items. 3. Please use this product in the best environment 10-30, excessive temperature difference can cause test error. 4. If the temperature difference is too large, the product should be corrected for standard weights before use. Calibration must ensure that the product is in the same environment for more than 30 minutes.