16 Channels Real Time Hardware Compression DVR Card: Features: Video input: a) 16 channels (PAL/NTSC) b) BNC (Vp-p: 1.0V, 75) 2) BNC (Vp-p: 1.0V, 75) 3) Audio input: BNC (Vp-p: 2.0V, SNR > 83dB, linear electrical level, 1,000) 4) Preview resolution: 704 x 576 (PAL), 704 x 480 (NTSC) 5) Video compression: H.264, supports CBR, VBR 6) Frame rate: 25f/s (PAL), 30f/s (NTSC) 7) Output: 32 ~ 1,000Kbps (CIF) 8) Compression resolution: CIF: 352 x 288 (PAL), 352 x 240 (NTSC) 9) QCIF: 176 x 144 (PAL), 176 x 120 (NTSC) 10) Audio compression: OggVorbis, sample ratio: 16kHz, output ratio: 16Kbps 11) Alarm in/out: 16 alarms in, 4 alarms out