4MP, 1/1.8" CMOS sensor, high definition, low illumination Max outputs at 50/60 frames per second for 4MP (2688 x 1520) H.264 and H.265 encoding, high compression capacity SMART H.264+/H.265+, flexible coding, wide dynamic, day/night, 3D NR, AWB, HLC, BLC ROI, SVC, and adaptable to different bandwidth and storage environments It supports face recognition, perimeter protection, people counting, and more with its deep learning algorithm. Three-in, two-out alarm; one-in, one-out audio; RS-485; BNC; maximum SD card capacity of 256 G Depending on the power supply, the power ports vary. 24V AC/12V DC/PoE power supply Three-channel HD video with five streams and IP67, IK10 protection grade Coating to prevent corrosion (optional) 12V DC power output, 165mA maximum current, and simple installation