XY/NP Screen - PET Crystal Model:Pet Crystal Product Parameters: Ratio: 16:9 / 4:3 / Customized Ambient Light Rejecting Ability : Excellent Gain : 0.6 Applicable Projectors : Ultra-short Throw Viewing Angle : 170 degrees Size : 150 inches Support 4k : Yes Special Note： Please note that screens larger than 120 inches require the use of a splicing process for production, which results in a fine seam on the screen. This usually does not significantly affect the screen's performance. Download Instructions Manual