Technical Specifications: Video Input: 4 channels with BNC connectors Audio Input: 4 channels with BNC connectors Video Decoder: TW6802B with 10-Bit ADCs Video Standard: PAL/NTSC Compression Standard: H.264 Resolution:704*576/352*288/320*240(PAL); 704*240/352*240/320*240 (NTSC) Preview Frame Rate: 25fps in PAL; 30fps in NTSC Compression Frame Rate: 1-25fps/1-30fps adjustable Compression Bit Rate: 16Kbps-2Mbps adjustable Maximum Power Consumption: 2 Watt Package includes: DVR card, installation CD, video cable