Fixed camera and PTZ camera integration, dual channels with one IP, look at overall situation and consider details at the same time Ultra 265, H.265, H.264 Support digital WDR (Wide Dynamic Range) Built in Mic Speaker, support two way audio, offer better interaction Support sound and light warning, makes warning and alarming more noticeable Smart IR, up to 30 m (98 ft) IR and 10m (33ft) warm light distance, suitable for more scenes IR warm light illumination to deal with different scenes and achieve full color illumination Supports 512 GB Micro SD card Wi Fi connection and easy installation IP66 ingress protection