Webcam -45-75mm Zinc Alloy Door Peephole 200 Degree Detectors for Home Security Silver Highlights 45-75mm Zinc Alloy Door Peephole 200 Degree Detectors for Home Security Silver Description: Made in zinc alloy, ensuring quality and durability Optical lens with 200 degree visual angel provides crystal clear vision with extraordinary wide angle coverage. The design of the heavy-duty confidential data protection cover can prevent outsiders from looking through the viewer, providing you with the highest level of precision in your protection and security. The pipe diameter is adjustable and the peephole is easy to install. Suitable for any opening 45-75mmthick.Specification: Material: Zinc Alloy Viewing Angle: 200 Package includes: 1 piece peephole Note: Select the appropriate size of the peephole according to the actual door hole size. Only need two sizes: hole diameter + door thickness. If you want to prevent your door from being unscrewed by outsiders, please stick tape on the thread of the door. Since the size above is measured by hand, the size of the actual item might be slightly different from the size shown above. Due to lighting effects, monitor settings etc. There could be a slight difference in the color tone of the pictures and the actual item.