videos in AudioSet
A list of about a million ten-second YouTube clips, each labelled with the sounds in it, that Google published in 2017. Labs use it to train and test general audio and music models.
Including CEL iN1 Doorbell Intercom / IP Cam Viewer Pro (Celius Access Entry), HikVision DS-2DE7186-AE Speed Dome, DS-2CD2032F-I & DS-2CD2712F-IS "Celius CCTV Site Surveillance"