This kind of glasses can protect from the laser of 620-700nm (red ),it wear comfortable, beautiful, safety and reliable. According to the optical characteristics ,a lens cannot protect from multiple color laser at the same time, the user can purchase the laser protective goggles according to their requirements.

Specification:

Typical for: 635nm
Transmittance: 50%
O.D4+ @ 600 - 700nm
L-Rating: 620 - 700nm DIR LB4
Protect Wavelength: 600 - 700nm
Available: 635nm, 650nm, 694nm etc.,
Application: Red Laser Protection

Reminder: Compared to ordinary glasses, the appearance have no difference, the only difference is this glass can protect from laser. There are many kinds of protective goggles in the market ,for your eye health, please go to the professional shop to buy.This glass have tested by the shopkeeper and accord with safety standard.