1/3" CMOS image sensor, 4MP, high image definition, low illumination Maximum supports 4MP (2688 × 1520) at 20 frames per second, outputs 4MP (2560 × 1440) at 25/30 frames per second. Ultra-low bit rate, high compression rate, and H.265 codec SMART H.264+/H.265+, built-in warm lights, a maximum illumination distance of 30 m ROI, flexible coding, and adaptability to different bandwidth and storage environments Digital watermarking, rotation mode, WDR, 3D NR, HLC, and BLC are all useful for different monitoring scenarios. Intelligent detection: tripwire and intrusion Motion detection, video tampering, SD card error, full SD card, network disconnect, IP conflict, unauthorized access, and voltage detection are examples of abnormality detection. Maximum 256 GB Micro SD card support with a 12V DC/PoE power source IP67 defense