4MP, 1/1.8" CMOS image sensor, low illuminance, high image definition Max outputs 4MP (2688×1520) @50 fps/60 fps H.264&H.265 coding, high compression ration Wide dynamic, day/ night, 3D NR, AWB, HLC, BLC ROI, SVC, SMART H.264+/H.265+, flexible coding, applicable to various bandwidth and storage environments With deep learning algorithm, it supports people counting, face recognition, perimeter protection etc Alarm: 3 in, 2 out; audio: 1 in, 1 out; RS-485; BNC; supports max. 256 G SD card 24V AC/12V DC/PoE power supply (the power ports are different depending on the power supply) Five streams for three-channel HD video IP67, IK10 protection grade Anti-corrosion coating(optional) 12V DC power output, max. current 165mA , easy for installation