HDView (Business Series) 4MP Megapixel IP Network Camera POE 2.8mm Wide Angle Lens IR Infrared Bullet ONVIF, VCA Intelligent Analytics Please buy SAME Series of IP camera and NVR, because it's Private Connection, more stable than ONVIF connection. Intelligent Analytics and H.265 feature only work when you connect this camera to HDView Business Series NVR HD 4MP real time encode resolution, ICR infrared cut filter removal for day/night function 2.8mm Wide Angle Lens, POE and 12V DC Intelligent Analytics: Object Detection, Exception, Tripwire, Intrusion, Weatherproof Indoor/Outdoor Use The latest ONVIF, work with HDView, Dahua, Hikvision