&lt;P&gt;The Saker Tab-Tension Series Includes A Tab-Tension System To Maintain Flatness All Across The Projector Screen. Standard Features Include A Wireless 5-12 Volt Trigger Ir/Rf Remote Control Package And A Detachable Manual Keypad Switch.&lt;Br /&gt;&lt;Br /&gt;&lt;Strong&gt;Screen Material&lt;/Strong&gt;&lt;Br /&gt;&amp;bull; Maxwhite Fiberglass (1.1 Gain) Matte White Fiberglass-Backed Material&lt;Br /&gt;&amp;bull; Wide Viewing Angle And Uniformly Diffuses Light In All Directions&lt;Br /&gt;&amp;bull; Active 3D 4K Ultra Hd And Hdr Ready&lt;Br /&gt;&amp;bull; Not Compatible With Ultra/Short-Throw Projectors&lt;Br /&gt;&amp;bull; Standard Black Masking Borders And Black Screen Backing&lt;Br /&gt;&lt;Br /&gt;&lt;Strong&gt; Design And Installation &lt;/Strong&gt;&lt;Br /&gt;&amp;bull; Flush Hidden Wall Mounts Allow Screen To Slide Horizontally For Proper Centering&lt;Br /&gt;&amp;bull; Tab-Tension Design Helps Maintain A Flat Projection Surface&lt;Br /&gt;&amp;bull; Curved Aluminum Enamel White Case With Parallel Grooves&lt;Br /&gt;&amp;bull; Extra Top Black Masking Border For High Ceiling Installations&lt;Br /&gt;&amp;bull; Plug &amp; Play Ready No Hardwire Installation Required&lt;Br /&gt;&amp;bull; Mounting Hardware Kit Included For Wall Or Ceiling Installation&lt;Br /&gt;&lt;Br /&gt;&lt;Strong&gt; Control System&lt;/Strong&gt; &lt;Br /&gt;&amp;bull; Internal Radio Frequency/Infrared Receivers With Ir Rf Remotes Included&lt;Br /&gt;&amp;bull; Detachable 3-Way Wall Switch Keypad For Up/Stop/Down Manual Operation&lt;Br /&gt;&amp;bull; Wireless 5-12 Volt Trigger Included&lt;Br /&gt;&amp;bull; Rj45 Port Allows 3Rd Party Control System Integration&lt;/P&gt;&lt;Table Class=Features&gt;&lt;Thead&gt;&lt;Tr&gt;&lt;Th Colspan=2&gt;Features&lt;/Th&gt;&lt;/Tr&gt;&lt;/Thead&gt;&lt;Tbody&gt;&lt;Tr&gt;&lt;Td Class=Feature&gt;Screen Type&lt;/Td&gt;&lt;Td&gt;Electric  &lt;/Td&gt;&lt;/Tr&gt;&lt;Tr&gt;&lt;Td Class=Feature&gt;Diagonal Screen Size (Inch)&lt;/Td&gt;&lt;Td&gt;135  &lt;/Td&gt;&lt;/Tr&gt;&lt;Tr&gt;&lt;Td Class=Feature&gt;Viewing Area (Wxh) Cm&lt;/Td&gt;&lt;Td&gt;291 X 182  &lt;/Td&gt;&lt;/Tr&gt;&lt;Tr&gt;&lt;Td Class=Feature&gt;Format&lt;/Td&gt;&lt;Td&gt;16:10  &lt;/Td&gt;&lt;/Tr&gt;&lt;/Tbody&gt;&lt;/Table&gt;