... compression,4 channel standalone dvr,support SATA HardDisk, Mouse,USB,network,IE browse FEATURES:• Stand-Alone DVR, H.264 Compression • Playback resolution: 4 ... PAL ) , 720 x 480 ( NTSC ) Playback resolution:4 x CIF Frames:1F/S ~ 30F/S (Adjustable)Hard Disk1 ... 50f/s), NTSC(525Line,60f/s)Video Input4 channel, BNC , 1.0V p-p/75ΩComposite ... 1.0V p-p/75ΩMonitor Video Output1 channel, BNC, 1.0V p-p/75ΩVGA ...