830z-U series IR PTZ Dome Camera, with the latest encoding technology and built-in IR LEDs, is the very first 4K speed dome product in the surveillance market, capable of capturing high resolution images during daylight hours and most important, in pitch-black darkness. At night, or in any environments where there may be very low lighting, 830z-U series is able to provide effective lighting up to a distance of 150 meters, and also deliver crystal clear image with high quality 30x optical zoom lens in very long distance. This model can offer simultaneous Quad Streams and Qual Codec, H.264 Baseline / Main / High Profile, MJPEG for various network applications via speeding or limited bandwidth. With software stablizer algorithm, image can still keep steady in windy weather. IP66 International standard is also gurantee in this model for outdoor installation.