Burglars often try to force their way into a home through an open door. Never wonder who's at the door again with this high-definition peephole. It brings your run-of-the-mill viewer into the digital age with a 2.5-inch LCD screen and a panoramic view. You can peek at your entry with the touch of a button, and even zoom in to what's going on outside.
About $100, Tiger Direct Low-Tech, High-Security Peephole:
A 130-degree swiveling viewer (with no LCD screen). About $28, Security Peephole