Jewelry scale for  precious metal
High-precision strain gauge sensor
Standard weight auto calibration
Auto zero and auto off (after 60 
         senconds of inactivity) functions
Full tare capacity
Bright-blue backlit LCD display
Low battery and overload indication
Transparent hard plastic cover
        protects the scale when not in use
Unit: g/oz/gn/ct; g/dwt/gn/ct
Operation temperature: 10～30℃ (optimum)
Power supply: 2xAAA battery 
Product N.W.: 237g
Item size: 130x109x21mm