Sapphire mayfair projector screen with built in infra red remote control screen with integrated 12v trigger system the sapphire mayfair range of projection screens are truly a work of art we use only the best quality materials and each one is tested at length before leaving the factory although it is difficult to convey the screen quality online the triple laminated glassfibre surface is designed to lay flat with no curls extending into the viewing area the gain is 1 1 which we consider be