A door viewer, often referred to as a peephole, is a simple yet essential security device installed in an entry door. It allows a person inside a home or room to observe the outside area without opening the door, providing a critical layer of security, privacy, and convenience. Typically consisting of a wide-angle lens and a viewing piece, door viewers have evolved from basic optical models to advanced digital versions, becoming a standard feature in residential, hotel, and commercial security.

Door Viewers: Enhancing Security with D&D HardwareIn today's world, ensuring the safety and security of your home or office is of utmost importance. One small yet significant device that can add an extra layer of security to any door is a door viewer. Among the many options available in the market,