CLEAR VISION: The door viewer features 4 layers of HD optical glass, providing a 220-degree wide-angle view outside the door. The lens resists fogging and damage. HIGH-QUALITY MATERIAL: The Brushed Nickel door viewer is constructed from high-quality materials, offering improved rust resistance and durability compared to semi-metal alternatives. PROTECT PRIVACY: Includes a peephole cover to enhance privacy and security, preventing outsiders from viewing inside when used as a front door peephole, helping to reduce the risk of privacy breaches and theft. EASY INSTALLATION: Comes with a 16 mm drill bit, compatible with door thicknesses from 1-3/8 inches to 2-1/6 inches (35 mm to 55 mm). Installation can be completed in approximately 30 minutes, even for users without prior experience. Material: Brass Color: Bronze Package Contents: 1 x Door Viewer 1 x Hole Opener Note: The package includes only the items listed. Lighting and display differences may cause slight color variations between the image and the actual product. Measurement may vary by +/- 1-3 cm.