Add security and peace of mind to your home with the Brinno Digital PeepHole Viewer ($90). Its 2¼”x1½” LCD screen provides a clear picture of whose knocking, even compensating for the fish-eye view and there’s also a button for zooming in should your visitor (or date) require a closer inspection. The panel can be installed over any existing peephole on doors measuring between 1 3/8 to 2 1/4” in thickness. If you’re expecting Anton Chigurh anytime soon, consider this a must have.
Buy Now: $90