Features:The glasses adopt durable polycarbonate material, safe, anti-explosion and lightweight.Laser is harmful to human's eyes, this goggle is a good helper with wavelength range 200 to 2000nm.It take advantage of its non-selective use of light sources to provide safe protection against diffuse light in various bands.The light reaction is fast and the attenuation rate is high. Practical but effective.It can protect eyes from laser and high-intensity light in all-round.The surface is not afraid of wear, even if there are scratches, does not affect the safety protection. Specification:Condition: 100% Brand NewMaterial: PolycarbonateColor: As picture shownProtective Wavelength Range: 200-2000nm(Except 532nm and 650nm)Optical Density: OD5Applicable People: Gas Welders, Electric Welders, Photon Physiotherapists (Eyebrow Tattoos, Hair Removal, Cosmetology, Body Shaping), People exposed to strong light/ultraviolet rays.Package List:1 x Glasses 1 x Wiping ClothNotes:Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.Please note that this product cannot completely avoid all lasers, only 20%-30% of lasers..