4CH D1 realtime audio dvr card Preview resolution :D1 Record resolution:CIF Frame rate:200fps/s(Pal) 240fps/s (NTSC) 4CH D1 realtime audio dvr cardFeatures:Adopts Techwell new 2815 chipset, 10 Bits sharp quality picture Low power consumption, low heat. All is better than DVR card with 7130/6802 chipset low occupancy rate of CPU resources Better compatibility with pc components: support popular ...