Gemstone Tester Pen Diamond Jade Jadeite Crystal Hardness Tester Thermal Conductivity Meter Jewelry Authenticity Detection Tool Color:black Package Size: 12 * 8

Package Size: 12 * 8 * 3cm / 4

7 inches Operating Temperature -49 to 185 °F Supported Signals HDTV

• Cycle Recording :With the cycle recording feature

For uaz4x4 Jungle

Gemstone Tester Pen Diamond Jade Jadeite Crystal Hardness Tester Thermal Conductivity Meter Jewelry Authenticity Detection Tool Color:black Package Size: 12 * 8SPECIFICATIONS Battery Included: No Brand Name: NONE Choice: yes High concerned chemical: None Origin: Mainland China 1. Easy to use even for a new beginner 2. Emit audible sounds to give accurate reading 3. Diamond indicator will be showed if the stone is a REAL diamond (Green light) 4. Metal alert (continuous buzzing sound when user accidentally touches metal rather than stone ) 5. Large Small switch for testing diamonds + 8 points 6. To emit sounds