Sapphire SEWS450BV 5.61m 221" 4:3 Electric Radio Frequency Projection Screen

Sapphire Crystal Electric Projector Screen with Handheld Radio Remote Control Picture Enhancing Black Border: Framing the image for an excellent viewing experience.
Remote Control and Inline Wall Switch:

Supplied with a radio remote control and an inline wall switch featuring up and down control.
Control Options: Operate the screen via RS232 or contact closure using the inline wall switch.
Remote Control Range: The handheld radio remote control operates the screen up to 25 meters away.
Energy Saving: Ultra-low power consumption for energy efficiency.
Stylish White Casing: Allows discreet installation in any environment.
Power Cable: 2.7 meters long with a standard UK power plug; inline wall switch situated halfway down the cable for easy reach.
Warranty: Backed by an outstanding 3-year warranty, ensuring excellent quality.

Installation:
Not Channel Fix - bolts to the wall at either end with fixed end brackets provided for wall or ceiling installation. See images of the end caps above and below.

Fabric:
Seam in the viewing area.
Matt White Fabric: Composed of triple-ply fibreglass laminate, preventing wrinkles and waves.
Special Light Loss Prevention: Compatible with non-short throw projectors.
Fire, Water, and Mould Resistance: Designed to withstand these elements; can be cleaned if necessary.
Microdots with PVC Technology: Enhances reflection for the best possible image quality.
Gain of 1.1: Reflects the same amount of light as the projector produces, providing a true cinema experience.
Black Backing: Enables placement in front of a window without interference.