<ul class="productmiaoshu"><li><span class="a-list-item"> SIZE: 100-INCH Diag. 16:9 Aspect Ratio. View Size 49.2&#34; H X 87.4&#34; W. Overall Size 65.7&#34; H X 94.6&#34; W White Case. </span></li><li><span class="a-list-item"> SCREEN MATERIAL: MaxWhite 2~ 8K / 4K Ultra Hd and Active 3D Ready Front Projection Screen Material. Featuring a 180° Viewing Angle and 1.1 Gain. Greenguard and Greenguard Gold Certified. Compatible with Standard Uhd/Hd Projectors </span></li><li><span class="a-list-item"> FEATURES: 2-inch Interval Auto-Lock Mechanism that allow for Various Height Settings </span></li><li><span class="a-list-item"> Fast &amp; Easy Installation. Optional 6&#34; and 12&#34; L Brackets Available </span></li><li><span class="a-list-item"> [US Based Company Warranty] 2-Year/3-Year ENR-G Manufacturer&#39;s Warranty by Elite Screens if purchased NEW, an ISO9001 manufacturer since 2004 and Lifetime Tech Support by Email or Phone Call by Elite Screens&#39; Professional Service Team. </span></li></ul>