A81U-MH 1080P CE & RoHS Certificated AHD DVR Digital Video Recorder 1. HD iDVR three in one: DVR HVR NVR features 3-in-1, multi-mode input, support four analog video encoding, support high-definition video mixing analog inputs + network,support pure HD network video input. 2. Surf the Internet by one-step: Through XM cloud service, easy to achieve a variety of network penetrations ,one step to monitor remotely, gett rid of various complicated network settings. 3. Compression technology: H.264 high profile compression algorithm, data rate has decreased 30% due to advanced space-time filtering technology. 4. Playback quality: Supports full real-time encoding video, full real-time playback of multi-channel decoding simultaneously. 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, Android). 7. Display: VGA HDMI HD output simultaneously, support VGA HDMI 1080P HD output, lead the technology of HD resolution. 8. Operation interface: Similar to Windows, easy to get started with powerful mouse right-click. 9. Network technology: Powerful network services (support DHCP, PPPOE, FTP, DNS, DDNS, NTP, UPNP, EMAIL, IP limits of authority and searches,alarm center etc.) And perfect support (WEB, Client, SDK), easy to achieve interconnection and interworking. 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. Difference: Boot screen is free to replace, more than 20 languages(Chinese, Dutch, English, French, German, Italian, Hebrew, Kazakh, Farsi, Polish, Portuguese, Russian, Spanish, Thai, Korean, Czech, Turkish, Hungarian, Romanian, Bulgarian), over 10 sets of GUI interface, 10 kinds of remote cont