IP security cameras are connected to your home or business IP network using an Ethernet connection / CAT-5 cable. IP cameras have built in web servers so that the surveillance video that they transmit can be viewed directly from the camera over the Internet using a web browser, or a smart phone (I Phone and other Tablets). These cameras do not require a dedicated DVR, rather they send video signals over the internet utilizing your internet connection and your home or office network (LAN, WAN).The IP surveillance cameras supprot D1 or MP.