Features:<br />4ch full real-time 25fps per channel <br />Support Windows 7 64bits & all Windows OS<br />Video channel: 4CH video<br />Audio channel: 4CH audio<br />Compression mode: H. 264 main profile<br />Display resource: 100fps video & audio (PAL) 120fps video & audio (NTSC)<br />Display resolution: More than 1024*600， recommend 1024x768， 1440x900， 1280x1024， 1600x900， 1920x1080<br />Preview resolution: D1(PAL: 704 x 576 NTSC 720 x 480)<br />Record resolution: D1(PAL: 704 x 576 NTSC 720 x 480)<br />Hard disk usage: 100-400m/ch/hour<br />PTZ protocol: Support many kinds of protocol<br />Record resource: 100fps video& audio (PAL) 120fps video& audio (NTSC)<br />Support all kinds of laptop and pc<br />Network function: Support DNS and easy to surveillance by internet<br />System Configuration Requirement:<br />CPU: Intel Pentium 2 or faster<br />Memory: 512MB or more<br />USB: Standard USB2.0 interface<br />Hard disk: 40GB or above (add disk space according to the quantity of the channels and the video recording storage requirement)<br />Operating system: Windows 2000， Windows XP， Windows Vista， Windows 7 (32 & 64BIT)<br />1 x 4CH Power Cable <br />1 x Disc <br />1 x User Manual <br />In original package<br /><img src="http://img6.eachbuyer.com/x15/p1/bf296_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x15/p1/bf296_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x15/p1/bf296_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x15/p1/bf296_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x15/p1/bf296_5.jpg" />