[Easy to Use]: Real Diamond will Emits sounds and lights Greater than =9.
[Intuitive Design]: Fake crystal, such as cubic zirconium ( CZ ), crystal, glass will be no sounds and lights Less than 9.
[fast and safe ]: This diamond selector tester designed for quick, precise, and safe diamond testing. No harm to diamonds.
[Magnification]: 60X led Magnification with batteries ( Small microscope ). For Gems, Coins, Antiques, Stamps, Reading, Inspection etc.

Material:Composite material
colour:black

Package Contents:
1 x Diamond Tester Pen
1 x 60X Mini LED Magnifying
1 x 9V (Note: Random color, don't accept the specified color.)
1 x Protect case
1 x Test bench

Only the above package content, other products are not included.
Note: different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.