The Manual Series Features A Wide Selection Of Sizes And Available Aspect Ratio Formats Make It The Most Complete Line Of Manual Pull Down Projection Screens. Most Models Are Available In Either A White Or Black Case To Fit Your Interior D?Cor. Standard Features Include A Lanyard For Hard To Reach Applications Black-Masking Borders All Around The Entire Viewing Area And A Dual Wall/Ceiling Mount Design. Screen Material • Maxwhite? Screen Material Is Durable And Easy To Clean• 180? Wide Viewing Angle For Commercial Presentations Or Residential Home Cinema• 4K Ultra Hd Active 3D And Hdr Ready• Not Compatible With Ultra/Short-Throw Projectors• Standard 4-Side Black Masking Borders• Black Backed Screen Material Eliminates Light Penetration For Superior Color Reproduction Design And Installation • Dual Wall And Ceiling Installation Design• Auto-Locking System Provides Variable Height Settings In Any Position• Screen Lanyard For Easy Operation Included - Allows Screen'S Pull Down Handle To Be Reached From High Areas• Includes Wood Screws And Drywall Anchors• Optional 6 And 12 L Brackets Available - Sold SeparatelyFeaturesScreen TypePull Down Diagonal Screen Size (Inch)135 Viewing Area (Wxh) Cm299 X 168 Format16:9 Install TypeInstalled