1/2.9 inch 4MP low illumination CMOS sensor;
Support 2 channels of video and 1 channel of audio, two channels independent, 4MP@20fps active video;
H.264/H.265/H.265+ video compression standard, G.711/G711A audio compression standard;
Support intelligent analysis, accurate humanoid detection, support area detection,
Support smart dual light, infrared, warm light full color three modes optional;