HD Lens: The peephole provides a clear view with 200-degree visibility, offering superior security for you and your family. You can see the entire surrounding area from head to toe, ensuring safety at all times. Versatile Use: This modern anti-theft door peephole is ideal for homes, offices, hotels, and entryways. It's a necessary security addition for checking who's outside before opening the door, bringing peace of mind and security to you and your family. Premium Materials: Made of premium zinc alloy, the front door peephole is rust-resistant and durable, ensuring quality and longevity. It guarantees the safety and security of your home. Easy Installation: Suitable for doors 1 1/2 inches to 2 3/8 inches thick (38 to 60 mm), the door peephole comes with a 16 mm drill bit for easy installation. Simply drill a 0.63-inch hole in the correct location, insert the peephole, twisting the two sides, and tighten by hand. Privacy Cover: Features a 360-degree rotating privacy cover design. When the cover is closed, visitors from outside cannot see inside your home through the peephole, providing the highest level of protection and security.