Bitrate is the amount of data processed per unit of time in a video stream, usually measured in Mbps.

Frame Rate refers to the number of individual frames or images that are displayed per second in a video stream.

H.265 (HEVC) is a video compression standard that provides high-quality video at lower bitrates than its predecessor H.204.

A mechanical shutter that blocks or delivers infrared light to provide true color reproduction during the day.

An Internet Protocol (IP) camera is a digital video camera that sends and receives data via a network or the Internet.

An NVR is a specialized computer system that records video in a digital format to a disk drive from IP cameras.

ONVIF is a global industry forum that facilitates the development of a global standard for the interface of IP-based physical security products.

PTZ (Pan-Tilt-Zoom) cameras allow operators to remotely control the direction and zoom of the lens.

VMS is the 'brain' of a surveillance system, used to manage, record, and view video feeds.

WDR is a technology used in CCTV to handle scenes with high contrast between light and dark areas.