Dual stream encoding(H.264/MJPEG), AVI formatSupport infrared leds night vision, visible distance can reach 30m.ONVIF V2.2 protocol, compatible with mainstream brands of NVR based on ONVIF.Default lens: manual varifocal 6-8mm , 6-12mm optional.Built-in POE or External OptionalWith ICR filters, better day&night imaging effectSupport DDNS..