A4B3 Kit 4CH 1080N Surveillance DVR System and 720P 1.0MP HD Weatherproof CCTV Bullet Camera, Support Infrared Night Vision & P2P & QR Code Scan Remote Access 1. Support 4CH 1080N 5in1 1HDD AHD DVR. 2. Support 4*1MP AHD Camera(6*42 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: Supports 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. With unique black box technology, the whole process can be monitored, which greatly reduces maintenance costs. 14. For: villas, plazas, schools, hotels, supermarket etc.