1/3" CMOS image sensor, 4MP, high image definition, low illumination Maximum output of 4MP (2688 × 1520) at 20 frames per second, with support for 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 IR LED, maximum IR distance: 80 m ROI, flexible coding, suitable for a range of bandwidth and storage conditions 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, no SD card, full SD card, SD card error, network disconnect, IP conflict, unauthorized access, local alarm, voltage detection, and audio detection are examples of abnormality detection. 256 GB Micro SD card with 12V DC/POE power support; alarm: 1 in, 1 out; audio: 1 in, 1 out IK10 and IP67 protection (optional)