Troubleshooting - Images are flickering - Baby Monitor
AC (alternating current) lights such as fluorescent lights may cause flickering in dark environments. This is not a malfunction.
Move the camera and the source of the interferance away from each other.
This answer applies to KX-HN1032W, KX-HN3001, KX-HN3051, KX-HN4001W, KX-HN4101W, KX-HN4102W, KX-HNC301