... display, playback, and recording6. support up to 7 internal HDD» Product Details Model: HDVR-2S08Camera input: 8CHvideoHDMI1video ... transmission,H.264)Dual-stream resolution Main recordingSub(network)1920X1080,1280X720640X360Picture quality10-100 levels for adjustmentMode manual ... Rew and FF frame to frame,pause Device Internal HDDNetwork Network interface10/100MB ethemet protocolTCP/IP,HTTP,SMTP, ...