Diamond Selector ll with LED Indicator, DC 9V Battery(Black)

1) Easy to use even for a new beginner 2) Emit audible sounds to give an accurate reading 3) Diamond indicator will be shown 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