The Brinno KNS100 Knocking Sensor detects any vibration from your door, and sends a signal to the PHV1330 PeepHole Viewer, which in turn captures images of the visitor. This is a handy device that will let you know who came to your home while you were away.
- Used as an extension accessory for the Brinno PHV1330 Digital PeepHole Viewer
- Fits into a slot on the back of the Digital PeepHole Viewer
- Senses the vibration produced from knocking and captures an image of anyone at your door
- Provides added security by allowing the Digital PeepHole Viewer to record photos of who's at your door even when you're not home
- Battery-free operation