DescriptionFeatures: - The door viewer design is vandal proof and drag proof, and the thickened conceal is stronger from prying eyes, increasing your privacy.- With the rotating privateness cover, company from outside can't see into your home during the viewer, used to allow the person to spot guests from the security of a locked door, providing the very best point of privacy to your protection and security.- The optical lens with a 220-degree vision angel provides a crystal clean view with distinctive wide-angle coverage. You can easily view the whole surrounding area, from the end of the top to the toes of these standing outside. It presents the highest point of safety for you and your family.- Modern security door audience and peep holes on doors. Perfect peephole for homes, offices, inns and entrance doorways when the doorbell rings and you deserve to see, monitor, and peek at who is outside your door earlier than you open it, providing you with more privacy and security.- The viewer is manufactured from sturdy zinc alloy and is great smooth to install. Suitable for doors from 1.3inch to 2.4inch thick, simply drill a 0.86inch diameter gap within the appropriate location, insert the viewer into the hole, and screw the 2 sides together and hand tighten. After installation, you will see in many places.