This can avert or reduce the damage of to the human eye. It is a kind of efficient safety , applicable to a variety of lasers.

Features:
Protectable wavelength : 200-2000nm, OD4+, 70% visible transmission; broad spectrum , block , blue, red and infrared pulsed .
protective glasses are an efficient and made of PC material and absorbing material (special rare metal compound material). 
style, ergonomic design. Adjustable temples to fit most people. -around, -piece, scratch-resistant lenses your eyes from damage in all directions.
Retractable eyeglass frame: Ensure a snug fit between the glasses and the face, effectively blocking harmful from entering the glasses through the gaps.
Suitable fields: marking, engraving, cutting, skin rejuvenation instrument, removal instrument and other instrument and other applicable wavelength equipment.

Specifications:
Color: Grey / Green (Optional)
Lens Material: PC
Wavelength: 200-2000nm
Density: >5.0 (OD + 4)
Visible Transmittance: 70%
Wavelength: 650nm
Features: Absorption all Directional
Suitable for Laser: Infrared / YAG / Diode / Equipment
Item Size: 150 * 52mm / 5.91 * 2.05in
Item Weight: 29g / 1.02oz
Package Weight: 79g / 2.79oz
Package Size: 17 * 7 * 6cm / 6.69 * 2.75 * 2.36in

Package List: E23910GR
1 *
1 *
1 * Glasses Cloth ()