New Diamond Tester Jewelry Selector Gemstone Tool Gems Test LED Audio Checker

Specifications： Color：Black Auto Off：" N/A Initial warm-up：~ 20 sec. Indicator：Audio and LED lamps Power supply：1 * DC 9V Battery (not included) Item size：16 * 4 * 2.2cm (6.6 * 1.6 * 0.8in) Package Content： 1 x Diamond Selector II Tester 1 x Protected Leather Bag 1 x User Manual.

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