Model: AC-TW404A
1.4CH video and 4CH audio output
2. Support alarm and PTZ

Features
1. Adopts Techwell new 2815 chipset, 10 Bits sharp quality picture.
2. Low power consumption, low heat. All is better than DVR card with 7130/6802 chipset.
3. Low occupancy rate of CPU resources
4. Better compatibility with PC components: Support popular motherboards with INTEL, AMD SIS, VIA, NVIDIA chipset, integrated graphics cards and PCI-E throughly avoid copying.
5. AVI video file format, play directly by windows media player.
6. With the same quality of hardware card, but low price as software card