FEATURE:
• 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 25 m IR distance
• Water and dust resistant (IP67)
• 4 in 1 (4 signals switchable TVI/AHD/CVI/CVBS)

MORE INFO: https://www.hikvision.com/id/products/Turbo-HD-Products/Turbo-HD-Cameras/Value-Series/ds-2ce16d0t-itpfs/