4MP ( 2560 × 1440) H.265 coding, Max.resolution: 2560 × 1440, ICR auto switch, true day / night, ROI coding, 3D DNR, digital WDR, HLC, BLC, defog, 20~30m IR night view distance, DC12V/PoE power supply, IP 67 ingress protection, Support three streams, 1CH built-in MIC, P2P function optional, Support remote monitoring by smart phones& tablet PCs with iOS and AndroidOS, Intelligent analytics (optional): object removal detection, abnormal video signal detection, line crossing detection and region intrusion detection.