4MP, 1/3" CMOS sensor, high image definition, low illumination Maximum 4MP (2688×1520) at 20 fps is supported, and 4MP (2560×1440) at 25/30 fps is output. High compression rate, ultra-low bit rate, and H.265 codec SMART H.264+/H.265+, built-in IR LED, maximum IR distance of 50 m ROI, flexible coding, and adaptability to different bandwidth and storage environments Digital watermarking, image rotation, WDR, 3D NR, HLC, and BLC are all applicable to different monitoring scenarios. Motion detection, video tampering, no SD card, full SD card, SD card error, network disconnect, IP conflict, unauthorized access, and voltage detection are examples of abnormality detection. 256 GB SD card maximum support with a 12V DC/PoE power source IP67 defense