Precise Professional Digital Milligram Scale - 20g/30g/50g capacity and 0.001g accuracy. Large 5-digit blue LCD display for easy reading of different units: g/oz/ozt/T/ct/gn. High precision mini digital scale, perfect for weigh gold or jewelry, medicine powder or other small things. The counting function (PCS key) gives you counting accuracy and the tare function ensures more accurate results. With a draft shield to prevent external environmental interference affecting weighing accuracy. Auto-off feature saves battery power for long-term use. The mini size is small and portable, so you can take it anywhere you go. This carat scale is specially designed for gold scale, milligram scale ,jewelry,laboratory,diamond and karat.It is a high precision professional mini scale (20g/30g/50g 0.001g) for weighing food in home kitchen, kitchen utensils, ordinary powder, etc. .