Delta CCTV

ProLux - 8MP (4K) 2.8mm Fixed Lens HD-CVI IR Eyeball CCTV Camera, CVI/CVBS/AHD/TVI Switchable, 30m IR Range, IP67, DC12V, Built-in MIC, WDR, 3DNR, Smart IR - PXC-622F8-WLA 

•  120dB True WDR, 3DNR
•  Max. 4K resolution
•  CVI/CVBS/AHD/TVI switchable
•  Built-in mic (-A)
•  2.8mm fixed lens
•  Max. IR length 30m, Smart IR
•  IP67, 12V±30%DC

Camera’s built-in microphone feature makes you able to record audio. With Audio over coax on compatible DVRs, you don’t even need any extra wiring either.