Detailed Product Description 1/2/4/8/16 &1-128Channel Digital Video, Audio, Data, E1 and Ethernet Optical ... , Audio, Data, concentrative management. View the detailed information of power supply Support real-time alarm and one history alarm message ... 85-265VAC, 50/60Hz, standalone device0.2A@12VDC, rack cardIndicators: Power, SYNC, Video, dataVideo:Channel: 16Format: PAL/NTSC/SECAMVideo Signal: ...