- Effortless Installation: Replace your existing door viewer in just five minutes—no tools required. Designed for convenience, it makes upgrading your home quick and hassle-free. - Versatile Compatibility: This door viewer fits a wide range of doors, including wooden, security, and fire doors, with thicknesses from 35 mm to 60 mm. It's a flexible solution for any door in your home. - Premium Materials: Constructed from high-quality materials, this door viewer is built to last. Its robust design ensures durability, providing long-term functionality and reliability. - Wide Viewing Angle: Experience a full 200-degree viewing angle, allowing you to see visitors from head to toe. This extensive coverage enhances your home security by giving you a complete view of your surroundings. Practical Use Scenarios: 1. Install this door viewer on your front door to easily identify visitors before opening, ensuring peace of mind. 2. Use it on side or back doors for added security in less visible areas, helping you monitor who approaches your home. 3. Enhance safety in commercial spaces by installing this viewer on office doors, allowing employees to screen visitors effectively.