Sturdy construction and lasting durability Built with a robust allmetal frame to withstand daily use and enhance the look of your entrance. Wide viewing angle for clear awareness 180degree field of vision provides a comprehensive, unobstructed view of visitors, helping you identify who is at the door before you open it. Contemporary aesthetic with simple installation Sleek, modern design elevates the door's appearance, and installation is straightforward for convenient setup. Coverless convenience No covers to manage or misplace; the viewer is always ready for use, adding to everyday practicality. Key attributes Material: allmetal frame Viewing angle: 180 degrees Design: contemporary and sleek Convenience: coverless, ready to use Use scenarios At a home front door to verify visitors before answering In an apartment or office entry to monitor who approaches the door During deliveries or service visits to confirm identity before granting access