4 Channel HD Mini NVR "Box-Watch" - 1080p/960p/720p, E-SATA HDD Connection, ONVIF, Cloud P2P Resolution: 19201080, 1280960, 1280720 With 2 USB ports, VGA, Micro USB, HDMI, LAN and an E-SATA port there could be no easier way to hook up this mini NVR to your existing system or create a new surveillance system from scratch. Buy yourself peace of mind and excellent security with this state of the art mini NVR. 4 Channel E-SATA Port ONVIF