TOGU Solid Brass UL Listed Door Viewer 220-Degree View with Privacy Cover | 35mm-55mm Door Thickness

• HD Optical Glass Lens Offers 220-Degree Crystal Clear Panoramic View-The HD optical glass lens provides a 220-degree sharp and crystal clear panoramic view. It covers the area from the porch ceiling to the doormat, extending to both sides of the doorway across the street.You can spot packages without opening the door and easily see anyone present outside from head to toe. There is no blind spot where a person might lurk, offering you and your family top-level safeguard and security.
• Heavy Duty Privacy Cover Provides Top Privacy and Security-With the cover in place, no one from outside can see through the viewer into your home even with the reverse peephole. No light will beam through the hole to disturb you anymore with this nice touch. You can open and close the heavy duty back cover flexibly and smoothly. It allows you to identify visitors from a locked door, offering the highest level of privacy for your protection and safety.
• Hassle-free Installation-It is a breeze to install this door viewer with detailed instruction. Suitable for 1-3/8" to 2-1/6" thick doors, simply drill a small pilot hole as straight as possible, then continue to drill a 9/16" diameter hole on both sides. Insert the viewer into the hole, then screw the two portions together and tighten with the slot on the back. Good Snug fit with wide flanges on both sides to cover drilling flaws.
• Built to Last Construction-Constructed from durable solid brass, the door viewer gives a lifetime of durability. It comes in multiple finishes with sleek contemporary design to match your existing hardware and decor, blending in perfectly with various doors. A must safety complement for home, office, hotel and anywhere you need to view who is outside your door before opening.
• Remarkable Lifetime Warranty and Customer Service-We always stand behind our products with top standards of quality. TOGU lifetime warranty and superior customer service that always puts you first. If you are not satisfied with the purchase, we guarantee you a 100% refund or a replacement. We never stop improving our products and service to meet your complete needs.

• Select a door thickness between 35mm-55mm. Drill a pilot hole, then a straight 9/16" (14mm) diameter hole through the door. Ensure the hole is perpendicular to the door surface for proper alignment. — Prepare the Door
• Insert the brass pipe portion of the door viewer into the drilled hole from one side. The wide flanges on both sides will help cover any minor drilling imperfections. — Insert the Viewer
• Screw the two portions of the door viewer together from opposite sides of the door. Tighten securely using the slot on the back portion until the viewer is snug and stable. — Secure and Tighten
• Open and close the heavy-duty privacy cover to ensure it operates smoothly. This cover allows you to control visibility and maintain privacy when needed. — Test Privacy Cover

Typical situations where TOGU Solid Brass UL Listed Door Viewer 220-Degree View with Privacy Cover | 35mm-55mm Door Thickness helps — illustrative scenarios, not customer reviews.