Elite Screens Manual B series is a great choice for any home/business/professional video presentations It is easy to install and comes with an auto-lock mechanism that allows for various height settings Manual B Series features include Sturdy Steel Casing in Your Choice of Black or White Finish Dual Wall or Ceiling Installation Slow Retract Mechanism Manual Pull-down Screen Auto-Lock Mechanism for variable height settings Screen lanyard for easy operation included - allows screen's pull down handle to be reached from high areas Mounting Kit Included 2-Year/3-Year ENR-G Manufacturer's by Elite Screens an ISO9001 manufacturer since 2004 Manual B Series includes Elite Screens' MaxWhite FRONT projection screen material which features 180° Wide Viewing Angle for commercial presentations or residential home cinema 1 1 gain Active 3D 4K/8K Ultra HD and HDR ready! Black-backed for a bright image Black Backed to Prevent Light Penetration/Loss Four Sides of Black Masking Borders Greenguard & Greenguard GOLD certified UL 2818 Manual B Series screens are NOT Recommended for Ultra Short Throw or Short Throw Projectors Elite Screens is focused on providing the best quality products at affordable prices while offering exceptional service Since 2004 Elite Screens has become a global leader in projection screen manufacturing through its headquarters in the US and branch offices in Europe Japan Australia India Taiwan and China With a focus on superior product and service Elite Screens is dedicated to making projection screens for any projection environment Ask about Elite?s 2-year and 3-year ENR-G enhanced