1) Easy to use even for a new beginner
2) Emit audible sounds to give accurate reading
3) Diamond indicator will be showed if the stone is a REAL diamond (Green light)
4) Metal alert (continuous buzzing sound when user accidentally touches metal rather than stone )
5) Large / small switch for testing diamonds +/ – 8 points
6) To emit sounds to give accurate reading
7) LCD display & LED indicator
8) If stone is Fake crystal, a stimulant such as cubic zirconium (CZ), will be no reaction
9) Powered by DC 9V battery
10) Size: 164 x 42 x 22mm
11) Weight: 65g
