Portable Digital Diamond Gemstone Selector Tester-RN-52

-This gemstone testing equipment is not only a diamond tester but also a gemstone tester. -It can detect whether a gemstone is real or fake, including diamond, sapphire, ruby, crystal, agate, jadeite, and other gemstones of various sizes. -It is designed for fast, accurate, and safe diamond testing. -LED light and audio indicate test results. -Portable electronic device to distinguish real diamonds from other rhinestones. -Easy to use even for a new beginner -Emit audible sounds to give an accurate reading -Diamond indicator will be showed if the stone is a REAL diamond (Greenlight) -Metal alert (continuous buzzing sound when a user accidentally touches metal rather than stone ) -To emit sounds to give an accurate reading -LCD display & LED indicator. If the stone is a Fake crystal, a simulant such as cubic zirconium ( CZ ), will be no reaction. How to prepare: -Mark on the battery -Turn the Power Switch On -Confirm the Battery Lamp lights up -Wait for about 30 seconds till the Ready Lamp lights up Package includes: - 1 x Portable Digital Diamond Gemstone Selector Tester