Emit audible sounds to give accurate reading
Diamond indicator will be showed if the stone is a REAL diamond (Green light)
Metal alert (continuous buzzing sound when user accidentally touches metal rather than stone )
Large / small switch for testing diamonds +/ - 8 points
To emit sounds to give accurate reading

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 2.3 inch
Height : 1.5 inch
Length : 7.7 inch

Item Weight: 4.32 ounce (View shipping rates and policies)
Shipping Weight: 5.6 ounce (View shipping rates and policies)

ASIN : B00LL0Z3MS