Professional Diamond Selector II, Gem Tester Pen Portable

Specification: Diamond Tester Dimensions：6.1" x 1.61" x 0.28" Testing Capability：Gemstones of various sizes(Do Not test any metal) Color: Black Auto Off: N/A Initial warm-up: about 20 sec. Indicator: Audio and LED lamps Power: 1 x 9V battery Package Included: 1 x Diamond Tester 1 x Test Tray 1 x Protected leather bag 1 x 9V battery 1 x user manual.

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