DS-2CE76D0T-ITMFS

2 MP coaxial audio camera
Enhancing safety with discreet and economical built–in microphone
Transmits audio over the coaxial cable
EXIR 2.0: advanced infrared technology with 30 m IR distance
Water and dust resistant (IP67), 4 in 1 (4 signals switchable TVI/AHD/CVI/CVBS)