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Diamond Combo Tester
  1. A multifunctional instrument, novel in design, easy to use and simply to operate. It can distinguish the false product of diamond, Moissanite and CZ, etc. by only one time testing
  2. Built-in Metal detector
  3. Low batteries indicator
  4. Six minute shut-off alert to save battery
  5. Power supply: 3pcs AAA batteries or outer power of 6V
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