Certain cameras & recorders have alarm inputs which will trigger when set up to identify potential threats
Many devices including cameras and recorders support audio recording using external microphones via an audio input or built-in microphone. Audio can be set to record along with video, offering both audio and video evidence.
ColorVu Technology enables cameras to produce colourful videos even in extremely dimly lit environments
H.265+ was created to improve upon the efficiency of H.265 further, offering bandwidth savings of up to 50% when compared to H.264