▶◀▶✿The surface of the product has a detachable protective film，Please remove the protective film after installation. ▶◀▶✿Mounted on a wall or ceiling，Equipped with self-tapping screws. ▶◀▶✿A high-quality, environmentally-friendly acrylic (PMMA) mirror that reflects clear, bright images ▶◀▶✿Hanging from the ceiling, reflecting a 90-degree angle image for a top view of a blind spot intersection ▶◀▶✿Panoramic dome mirrors help people see the safety around obstacles or monitor a wide area for effective surveillance, Manufacturer: DLC