ANNKE 8CH True PoE Security Camera System 6.0MP Video NVR and (8) 4.0MP 2688x1520p Weatherproof Cameras with 1/3" Progressive Scan CMOS, NO HDD H.264+ video compression, save bandwidth for 70% than normal H.264; Virtual Host for easy IP camera setup and configuration Up to 30m IR range night vision and auto IR-cut; IP66 metallic housing and bracket Smart email alert and powerful backup function,Support free Hikvision DDNS and EZVIZ cloud service Remote viewing on PC via website or installing PC client (iVMS-4200); NVR supports HIKVISON, ONVIF network camera ROI (Region Of Interest) function of camera: decrease a non-ROI's image quality to save bandwidth and storage while images in ROI's remains crystal