Luckystone® Jewelry Diamond Tester Selector II Tool LED + Jewelry Loupe

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Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.

•Lcd display & led indicator
•Emit audible sounds to give accurate reading
•Metal alert (continuous buzzing sound when user accidentally touches metal rather than stone )
•Large/small switch for testing diamonds +/- 8 points
•Powered by dc 9v battery x 1 (not included )