Ring Peephole Cam (Door View Cam) is a weather-resistant smart video doorbell with knock detection. It's designed for interior or exterior doors, that either: Already have a peephole. Do not have a screen door, glass door, or metal door in front of them. Frequently asked questions Can I use...

UL10C is one of several regulations enforced on fire doors and their hardware in the United States. Building codes require doors in certain buildings to be rated to UL10C in order to make sure the door helps prevent a fire from spreading within the building. Fire door requirements vary by locale,...