220 Degree Door Viewer Sourcing Map Door View, Solid Brass 220-degree Door Viewer With Solid Brass Peephole APPLICATION: Perfect for home, office, hotel and front door where you need to see, monitor who is outside your door. Spy Holes and Door Viewers - Spy Holes & Door Chains - Front Door Fittings | G Johns & Sons It offers a crystal clear view with an extraordinary wide angle coverage. Made of durable solid brass with simple installation. Application: Perfect for home, office, hotel and front door where you need to see, monitor that is outside your door Wide Angle Door Viewer 220 Degree Security Door Mirror, High Quality Wide Angle Door Viewer 220... Description:1., Brass door viewer has a 220-degree viewing range., 2., It can be installed in a 14mm diameter hole in doors 35mm-60mm thick., 3., Door viewers, also called peepholes, consist of a lens and cylinder which is inserted into a door, allowing a view outside., 4., The amount of visibility is determined by the degree of the lens; the higher the number, the greater the visibility., 5., Door viewers all consist 4 layers of optical lens, which offer you a 220-degree viewing range and crystal clear view., 6., Perfect for home, office, hotel and front door where you need to see, monitor who is outside your door when the doorbell ringsNote: Please pay attention to avoid scraping the glass on the door viewer when installing! SIMPLE INSTALLATION: Suitable for 1-3/8 to 2-3/8 (35mm-60mm) thick doors, drill 9/16(14mm) diameter hole in suitable position, insert the viewer into the hole then screw two sides together. CONTEMPORARY: Modern security door viewer or peephole viewer. Durable Solid Brass metal with simple installation.