Inexpensive, durable and effective wide angle door peephole viewer

Door Viewer is easy to install. Door Viewer is inexpensive, durable and effective. Door Viewer is a remarkable High Tech optical instrument. There is no known competitor except for a surveillance camera. Can be installed in any metal or wood door up to two-inches thick. Door Viewer comes in a variety of plastic and aluminum models to match any decor. Door Viewer allows a person to stand Door Viewer is easy to install. feet away from your door and see a camera's eye view of the other side with super wide angle no distortion. Door Viewer allows you to get a clear and magnified picture of who is outside your door. High quality security instrument with a series of advanced high-tech prism and ultra-precision optical.