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.
Face capture is technology that is able to detect and identify any human face appearing in the video. Face capture will then take a snapshot and send it to the NVR for analysis and processing
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
Power over Ethernet (PoE) allows power to be delivered via the Ethernet cable, removing the requirement for dedicated power supplies. Many NVRs & Network Switches support PoE allowing these devices to deliver power to PoE capable IP cameras via the network infrastructure itself
Smart features can include:
Region Entry/Exit - Region Entry/Exit detects people, vehicles or other objects entering or exiting from a per-defined virtual region, triggering an alarm which may also generate further actions.
Target Cropping and ANPR (automatic number plate recognition)