Replace your peephole with Peephole Cam, a smart, compact HD video doorbell that adds security and convenience to any doorway. You'll get mobile notifications when anyone presses the built-in doorbell button, knocks on the door or triggers the motion sensors. Answer the notification, and you can see, hear and speak to visitors from anywhere. Peephole Cam is simple to install and comes with the only tool you need to set it up in minutes. And it works on any house, apartment, condo, and more. If there's a peephole at your door, Peephole Cam has it covered.