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

Technical Details

Product Details

Package Dimensions
Width : 2.2 inch
Height : 1.3 inch
Length : 7.3 inch

Shipping Weight: 4.8 ounce (View shipping rates and policies)

ASIN : B009AQBMOS