Selectors for Jewelry Gem Tester Tool LED Electronic Gemstones Pen Testers Professional Tool Rubys Stone

Features: LCD display & LED indicator. It-is designed-for quick, precise, and safe testing. Portable electronic device for distinguishing real jewelry test tool from other simulated stones. Mainly used for industrial purposes, circuit boards, and printing, industry, gardening, coin, etc. Lightweight and compact in size, easy and convenient to carry.

Specifications: Material:Plastic Size:Approx.155x41x21mm Powered by for DC9V battery x 1 (Not Included).

Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.

Package includes: 2x Jewelry Test Tool