Diamond Tester with UV Ultraviolet Light Gemstone Precious Loose Stone Jeweler Jewelry Selector Tools

Specifications:

• Certification: CE
• Working Voltage: DC 9V 6F22 battery or AC adaptor not included
• Working Time: about 5 hours for continuous use
• Warm-up Time: about 25sec
• Type: Diamond Teste
• Stone Indication: Audio and visual of genuine diamond
• Place of Origin: China (Mainland)
• Origin: CN(Origin)
• Model Number: JEM-II
• Distinguish Stone: as small as 2pt
• Connection: A/C adaptor (not included)
• Brand Name: DANOPLUS