120 inch projection screens acoustically transparent ambient light rejecting black crystal alr screen for for home cinema

80- 200" micro-perforated black diamond alr fixed frame projector screen.very slim "display design" - only 10mm frame visible on each side. black diamond is an anti-light feature material, using a special trapezoidal optical physical structure, automatically separates the natural light. reach, rohs, of formaldehyde's & toluene.processed, matt black aluminum frame.easily wall mounting. led backlight is optional. safety feature infrared anti-pinch feature automatically s screen from retracting into housing 3 years manufacturer warranty.customized requirements are acceptable.syi