... 12 channels of 2.0 megapixel IP cameras5. Support two SATA hard drive, a VGA port, an HDMI port, six USB ports, and ... port,1x RS485 portUSB PORT3x USB2.0 portsBUILT-IN HD PORT1 xIDE+4 SATA ports, support USB HD expansionPOWER SUPPLY220V,50Hz~60HzPOWER ... creativity as well as the ability of mastering core technology in the communication worldwide.Network, Neitway. 16 channel NVR