Main features: Board overall low power consumption, heat a small, super-stable; Support for vista operating system, supports a variety of widescreen display; Compact and efficient user interface, easy operation, nice Video display uses Directx technology, effective, efficient Extremely powerful multi-language support, can be very fast multi-language version of the custom Audio preview and visit can easily switch the channel, very convenient; Independent control of both single and more large ones while playing; Easy to deal with dual-stream network within and outside the network; Open the open network connection speed, smooth, error-free; Remote preview, remote playback, remote control, remote backup should be a whole; IEIE free browsing user monitoring, to provide efficient, stable domain name service, no port mapping, simple, easy to use; Detailed parameters parameters / model AC-VSW404A core technology TW2815 signal system PAL / NTSC video input 16 video inputs audio input 16 audio inputs per second frame rate 400FPS (PAL) / 480FPS (NTSC) compression format H.264 Hard share 50-500M / h preview resolution D1 (PAL: 704X576 NTSC: 704X480) video resolution CIF (PAL: 352X288 NTSC: 352X240) video sample 10-bit board power consumption less than 1 W jack Video BNC / Audio RCA