The Door Viewer is solid brass construction and has an interior lens shutter.  It has 180° glass optic lens.

Body Features

* Solid Brass Construction

   - No plastic to crack or break

* Lens Shutter

   - Prevents dust, etc. from collecting on the lens

   - Allows for a "finished" look to the most expensive doors

* Glass Optic Lens

   - Helps prevent "fogging"

   - Allows more light for night viewing

Installation Features

* Extra Wide Flanges

   - Ease of installation for D.I.Y. installers

   - Coverage for "oval" or "splintered" holes

* Fits doors from 1 1/2" to 2 1/4" thick

   - For standard and custom doors

* Flexible Hole Size

   - 7/8" (preferred) - 1" hole size

Security Features

* Lens Shutter

   - Prevents viewing from exterior to interior

   - Prevents interior light from shining through viewer
     (not so obvious for visitors to tell when your looking out)

   - Allows for a "finished" look to the most expensive doors

* 180° Ultra Wide View

   - Maximum view from top, bottom and side to side of door

   - Helps prevent "surprise" visitors

   - Large lens allows for less distortion of view

   - Allows more light for easier night viewing