3 different light sources are for different purposes
Perfect for jewelries, stamps and cash appraisal, etc
30x magnified view is for viewing tiny characters, like fingerprints, 60x magnified view for printing grids or electronic component numbers and 90x magnified view for viewing flaws of jewelry
Optical lens with high definition can magnify every detail of jewelries, stamps, coins or others for better appraisal
ABS and PU material is safe, eco-friendly and durable