These modulators are great for surveillance and video monitoring. They allow you to view your cameras as television channels. View a video camera, VCR, DVD player or satellite receiver on a TV channel you choose and distribute it to every TV in your home or office. These are 100% digital modulators, with phase locked loop audio, video and gain. They cover both UHF and cable television channels and are built tough in a rugged aluminum enclosure. Internal battery maintains settings during power outages, and they come complete with a 12 volt power supply.

Comes with instructions, power supply and 5 year manufacturers warranty.