HD Optical Glass Lens Offers 220-Degree Crystal Clear Panoramic View-The HD optical glass lens provides a 220-degree sharp and crystal clear panoramic view. It covers the area from the porch ceiling to the doormat, extending to both sides of the doorway across the street.You can spot packages without opening the door and easily see anyone present outside from head to toe. There is no blind spot where a person might lurk, offering you and your family top-level safeguard and security. Heavy Duty Privacy Cover Provides Top Privacy and Security-With the cover in place, no one from outside can see through the viewer into your home even with the reverse peephole. No light will beam through the hole to disturb you anymore with this nice touch. You can open and close the heavy duty back cover flexibly and ly. It allows you to identify visitors from a locked door, offering the highest level of privacy for your protection and safety. International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions..International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions..International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.