Specifications: Capacity: 20/50/100g/ 0.001 g Readability: 0.001 g Weight units: g/oz/dwt/ct/gn/tl Tare range: Tare full capacity Power: 2 AAA batteries Not Included Auto-off: 180 seconds Platform size: D52mm Scale size L x W x H: 115 x 66 x 31 mm Key features: High precision: Accuracy of 0.001 grams, use I-shaped sensor, fast reaction speed, accurate and stable with large blue backlit LCD display, easy to read, compact size, portable, lightweight Unique windproof cover design, prevents external environment disturbance affecting the weighing accuracy Count PCS button function with accurate count and tare weighing function ensures more precise result and the hold function will lock weight reading Mini digital scale can be used as a jewelry scale, lab scale, diamond scale and carat scale, best for jewelry, medicinal herbs, lab, powder or other small things weighing Package List: 1 x Jewelry scales 1 x Tray 1 x Plastic tweezers 1 x Calibration weight