HD Crystal Glass: One-time molding of HD crystal glass for a true and clear reflected image, suitable for both indoor and outdoor use. Anti-Collision Shell: Silver ABS anti-collision shell enhances durability, protecting the mirror surface and reducing the need for frequent replacements. Waterproof and Rustproof: Equipped with 3M weatherproof glue for secure attachment, ensuring the mirror stays in place. Resistant to rust, providing a high-definition wide field of vision. Improved Driving Safety: Adjustable convex blind spot mirror maximizes vision, aiding in lane changes, backing up, and avoiding blind spots for an overall safer driving experience. Wide Field of View: 360° freely rotating base with a 50mm diameter convex wide-angle rearview mirror effectively expands the field of view without affecting normal driving.