Estone 600nm-700nm Safety Glasses Red Laser Protection Goggle With Hard Protect Box Hot Protection features: all-round absorption Protection wavelength range : 600nm-700nm Optical Density: &gt; 5.0, (OD +5, OD +6) Visible light transmittance: &gt;55% Attenuation: (10-6 &lt;N% &lt;10-4)