A4B5-Mini 4 Channel 720P 1.0 Mega Pixel 4 x Bullet AHD Cameras AHD DVR Kit, Support Night Vision Motion Detection, IR Distance: 20m AHD DVR 1. Support 4CH 960P720P 1HDD AHD DVR 2. Support 4pcs 1MP AHD Camera(36pcs 5mm IR LED,IR distance 20M) 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. Display: VGA HD output simultaneously, support VGA 1080p HD output, lead the technology of HD resolution. 7. Operation interface: Similar to Windows operating style, easy to get started with powerful mouse right-click function. 8. Network: Powerful network services (support DHCP, PPPOE, FTP, DNS, DDNS, EMAIL,IP searches etc.) And perfect support (WEB, Client, SDK), easy to achieve interoperability. 9. Browsers: Support IE, Chrome, Firefox, Safari browsers. 10. Remote Access: With DNS (ARSP),easy to monitor remotely, 3322 (Greek network), dyndns, oray (peanut shells), myq-see and other DNS are also provided. 11. Step on the Internet: one step to remote monitoring, getting rid of various complicated network settings, easy and simple to operate. 12. Mobile monitor: Support various mobile monitoring (iPhone, Windows Mobile, BlackBerry, Symbian, Android). 13. 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. 14. Others: With unique black box technology, the whole process can be monitored, which greatly reduces maintenance costs. 15. Monitor quality: VGA, HDMI; Preview ability: 4*1080N; Encode ability: 4*1080N; Decode ability: 4*1080N. 16. Multi-mode input: Analog: 4*1080N; 4*720P; 4*960P; Hybrid