Night Owl"s P-45-4624N is a 4 channel 960H DVR and 4 camera security system that comes complete with everything needed for an easy to use yet advanced video security system for home or office. The P-45-4624N system is accessible from a Smartphone, Tablet, PC or MAC, making it possible to connect to the DVR directly from a favorite mobile device to view the camera feeds. With Smartphone and Tablet PC compatibility, the P-45-4624N provides true 24/7 video security day or night, from any remote location.