A41U-ZS 5 in 1 4 Channel Dual Stream H.264 1080N AHD DVR, Support AHD TVI CVI CVBS IP Signal(Black) 1. Support: AHDTVICVICVBSIP five signals 2. Step on the Internet: With cloud service, easy to achieve a variety of network penetrations, one step to remote monitoring, getting rid of various complicated network settings, easy and simple to operate. 3. Compression algorithm ideal: H.264 compression algorithm, 30% decrease of stream due to advanced space-time filtering technology. 4. Playback quality: Support full real-time encoding video, full real-time playback of multi-channel synchronous decoding. 5. Main and Sub Stream: Main stream and Sub-stream encoding. Main stream for local storage, ensure image quality; Sub-stream for real-time network transmission, easy to solve bandwidth bottleneck problem. 6. Mobile monitor: Support various mobile monitoring(iPhone, Windows Mobile, BlackBerry, Symbian, Android). 7. Display: VGA HD output simultaneously, support VGA 1080p HD output, lead the technology of HD resolution. 8. Operation interface: Similar to Windows operating style, easy to get started with powerful mouse right-click function. 9. Network: Powerful network services (support DHCP, PPPOE, FTP, DNS, DDNS, EMAIL, IP searches etc.) And perfect support (WEB, Client, SDK), easy to achieve interoperability. 10. Browsers: Support IE, Chrome, Firefox, Safari browsers. 11. Remote Access: With DNS (ARSP), easy to monitor remotely, 3322 (Greek network), dyndns, oray (peanut shells), myq-see and other DNS are also provided. 12. Differentiation: Boot screen free replacement, more than twenty languages, over 10 sets of GUI interface, ten kinds of remote control, which make our products different from others. 13. Others: With unique black box technology, the whole process can be monitored, which greatly reduces maintenance costs. 14. Encode capability: 4*1080N @25fqs P 30fqs. 15. Decode capability: 4*1080N @23fqs P23fqs. 16. Multi-Input (ONVIF 2.8) Analogue: 4*1080N 4*960H, Analogue + Network; HD: 2*1080N(AHD-NH