Jewelry Polarizer Jade Crystal Gemstone Identification Instrument Portable Polarizing Instrument

Name: Gem polarizer
Model: FTP-DCL
Light source: LED (yellow/white)
Voltage: 12V
Power: 3-5W
Size: 135*82*150MM
Accessories: Conoscope*1
Model: FTP-LED
Light source: LED (yellow)
Voltage: 100-240V
Power: 3-5W
Size: 110*70*145MM
Accessories: Conoscope*1
Model: FTP-49
Light source: LED (white)
Voltage: 100-240V
Power: 3-5W
Size: 110*70*145MM
Accessories: Conoscope*1