Safety is an issue that can not be neglected. Using door viewers one can avoid the knocking risk. It is basically important security device that can be installed easily and allows you to view that who is on the other side -a visitor or stranger.

Security door viewers are available in different materials like decorative brass, rustproof plastic, bronze, silver, stainless steel etc. The lens that are used in these viewers allows you to view in different ways. Lenses that are popularly used are:

• Regular lens for a non-distorted view
• A wide-angle lens to see your entire front porch
• Large-projection lens which helps you in identifying the visitor from several feet away without walking up to the door.

Features and Advantages

Modern door viewer have following features:

• You can view the visitors while being away from the door. This helps you in avoiding to put your eyes to the door
• They can be installed in all external and internal safety doors
• Safety from intruders and unexpected visitors.
• Their installation is easy u Free from electrical connections
• They can be fitted to any door of any width and size
• In eye viewer usually the exterior lens allows you to see out but from the other side person cant look in.
• Some of the eye viewer consist of inner polarized lens that reduce glare.
• They are normally constructed with solid case metal with durable weatherproof plating