369493 Key Features Easy installation， Scalable automatic clamp clasp. Adjustable direction Product Parameters: 1. Attenuation of high-energy ultraviolet light and blu-ray > 75%. 2. Visible light transmittance > 72.5%. 3. Peak of visible light transmittance > 90%. 4. The infrared attenuation > 90%. 5. High frequency electromagnetic wave attenuation > 88%. 6. Center wavelength: 585nm Specifications Material:Polycarbonate Color:Gray， Yellow Dimensions (cm):32.2*16.0*6.0 Weight (kg)：0.380