Diamond Selector Detector, Electronic Diamond Tester Pen with LED Indicator, Gemstone Hardness Test Tool, Safe Precise for Diamond, Moissan, Sapphire, Ruby, Crystal, Jade

Specifications: Colour: silver-gray Material: plastic Size: 135 x 40 x 22mm Weight: 200g Powered by for DC9V (Not Included). Package Contents: 1 x Diamond Selector Detector Note: Light and different displays may the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm.

• 【Diamond Tester Pen】This gemstone testing equipment is not only a diamond tester, but also a multi gemstone tester. It can detect if a gemstone is real or fake.
• 【Clear Screen & Audio Instruction Design】These high accuracy diamond testers are designed with a clear screen, so you can get the useful data quickly. The jewelry diamond tester is equipped with LED lights and audio instructions.
• 【Easy to Use】When testing, use the needle of the drill pen. Press vertically on the surface of the gemstone. If the indicator light turns red and makes a sound, the gemstone is moissanite.
• 【Portable Design】The specification of this test pen is 13.5*4*2.2cm, light weight and small size, which can be easily carried to any working scene. Equipped with LED indicator, the operation is simple and precise.
• 【Notice】No matter what gemstone you are testing, the probe needle and the tested object must be at a 90° angle. As long as the tip is perpendicular to the test masonry and the switch is pressed, the result can be obtained. Do Not test any metal.