Built-in mic, audio up coaxial (only on tvi)
hd1080p indoor ir dome camera
2 megapixel high-performance cmos
analog hd output, up to 1080p resolution
true day/night, smart ir, exir turrent, dnr
up to 20m ir distance
osd menu support tvi/cvi/ahd/cvbs
up the coax(hikvision-c protocol)