Infrared security cameras have the capability to capture video in low light and no light (0 Lux) areas. Infrared cameras (IR) are sometimes referred to as IR cameras or "Night Vision Security Cameras"because of this. Infrared cameras have IR leds positioned around the outer edges of the camera lens which gives the camera its "Night Vision". Infrared Cameras can capture acceptable video in total darkness and even better quality video in low light. Even a small amount of ambient light helps the overall night vision capability of IR cameras a lot. IR cameras are available in various body styles, such as dome and bullet styles.
PTZ Security Cameras allow you control the pan, tilt and zoom operations of the camera lens remotely or through a surveillance DVR or Geovision DVR PC. PTZ Cameras have the ability to move up, down, right, left, and even zoom.
An Internet protocol camera, or IP camera, is a type of digital video camera commonly employed for surveillance, and which unlike analog closed circuit television (CCTV) cameras can send and receive data via a computer network and the Internet. Although most cameras that do this are webcams, the term "IP camera" or "netcam" is usually applied only to those used for surveillance.There are two kinds of IP cameras: