Plantex Satin Eye Hole for Main Door - 200 Degree Wide Magic Eye viewer for Safety - Pack of 40 𝐏𝐚𝐧𝐨𝐫𝐚𝐦𝐢𝐜 𝐝𝐞𝐬𝐢𝐠𝐧: Plantex door eye comes with HD optical glass lens provides a 200-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-𝐪𝐮𝐚𝐥𝐢𝐭𝐲 𝐦𝐚𝐭𝐞𝐫𝐢𝐚𝐥 - door eye viewer Constructed from durable solid brass material, the door viewer gives a lifetime of durability. It comes with satin matt 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. 𝐂𝐥𝐞𝐚𝐫 𝐯𝐢𝐞𝐰 - The door viewer is all round and has clear view of your surroundings without opening the door- the unique design and ultra-clear view offers perfect visibility from it. 𝐇𝐚𝐬𝐬𝐥𝐞-𝐟𝐫𝐞𝐞 𝐢𝐧𝐬𝐭𝐚𝐥𝐥𝐚𝐭𝐢𝐨𝐧 - Suitable for 35 mm 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. 𝐒𝐢𝐳𝐞 - The size of door eye is 4.5 X 3.5 X 3.5 CM and. The package contains is 40 piece of door eye. You can start installing in your door when you received the plantex door eye.