830z-H series IR PTZ Dome Camera, with the latest encoding technology and built-in IR LEDs, is the very first 4M HDR 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 environment where there is low/zero lighting, 830z-H series is able to provide effective illumination to the objects 150 meters away, and also deliver crystal clear and image with high quality 33x 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.