The Ultimate Tester For Diamond Fraud Protection exclusively recommended By Charles & Colvard, manufacturer Of created Moissanite. The Testerossa features new advanced exclusive technology capable of identifying the widest range of the electrically conductive moissanite material available. The next generation ultimate tester for diamond fraud protection with new enhanced moissanite testing technology for low conductivity stone identification. This GEMORO tester has the sleekest ergonomic shape available, comfortably rests in and on your hand when held.Intuitive finger grip pads for increased user-friendliness and ease of use.LED stone illumination and UV fluorescence detection.Precision retractable probetip with enhanced durability, and indestructible polycarbonate housing with molded rubber base for increased impact resistance if dropped.Features a super fast 10-second warm-up timeUser programmable, talking (English, German, Italian, Spanish, French, Russian, Chinese, Japanese, Arabic and more) or ringtone sounds.Glowing light bar / probe tip for quick stone identification:(GREEN = Diamond, BLUE = Moissanite, YELLOW = Sapphire and RED = Metal Alert).Easily identify genuine sapphire watch crystals too. Includes a new generation low-profile GEMORO ULTRADOCK 3 charging station, adjustable handy GEMORO test stone magnifier attachment, loose stone holder, multi-voltage AC adapter and comes stored in a carbon-fiber style carrying case.Powered by micro USB or with its included rechargeable NiMH batteries (user may substitute 3 AAA alkaline batteries if desired).An unprecedented 10-YEAR PROBE TIP WARRANTY and LIFETIME LIMITED REPLACEMENT WARRANTY on the unit.