This carat scale is specially designed for use as a gold, milligram, jewelry, laboratory, diamond and carat balance. It is a professional mini scale of high precision (20g or 30g or 50g 0.001g) used in the family kitchen heavy food, cooking equipment, common powder, etc. features: Precise and professional digital milligram scale - 20g or 30g or 50g capacity and 0.001g precision. Large 5-digit blue digital LCD screen for easy reading in different units: g or oz or ozt or T or ct or gn. High precision mini digital scale, ideal for weighing gold or jewelry, medicinal powder or other small things. The counting function (PCS key) gives you precise counting and the tare weighing function ensures more precise results. With windscreen to avoid influencing weighing accuracy by interference from the external environment. The auto power off feature saves battery life for long-term use. Mini compact size and easy to carry, take it anywhere. Characteristics: Black color Material: ABS Capacity x Accuracy: 20 g x 0.001 g or 30 g x 0.001 g or 50 g x 0.001 g (optional) Units: g or oz or ozt or T or ct or gn (switchable) Nominal value: 0.003g Repeatability: 0.002g Display: 5-digit LCD Backlight: blue backlight Functions: ON or OFF, UNITS, TARE, PCS Automatic stop time: 1-5 minutes (adjustable) Power supply: 2 x 1.5V AAA Battery (not included) Working temperature: 0-40 or 32-104 Platform diameter: 32mm Item size: approx. 144 x 85 x 50mm or 5.7 x 3.3 x 2.0in Item weight: approx. 140g or 5.0oz Package size: approx. 16 x 10 x 7cm or 6.3 x 3.9 x 2.8in Package weight: approx. 294g or 10.4oz Package list: 1 x digital scale Calibration weight 1 x 20g 1 x weighing pan 1 x tweezers 1 x User Manual