ZeChupucabra

You'll need a router. You'll need to find the IP of your home as seen from the outside world and determine the IP number of your DVR. DO you have these things? Give this article a go: http://www.cctvco.com/security-DVR-to-network.html

I would beware of hooking up the same power supply to the camera and the "accessories". You may have issues with video quality when the heater element draws current suddenly, etc.