• How Do CCTV Camera Work?
• CCTV Camera Benefits
• CCTV System Types
• CCTV Camera Types
4. CCTV System Types
CCTV systems are broadly divided into two
types. These are:
1. Wired CCTV system
2. Wireless CCTV system.
5. CCTV Camera Benefits
CCTV is commonly used for a variety of purpose,
• Maintaining perimeter security in medium-to high-
secure areas and installations.
• Observing behavior of incarcerated inmates and
potentially dangerous patients in medical facilities.
• Traffic monitoring
• Building and ground security
• Overseeing location that would be hazardous to a
6. CCTV Camera Types
CCTV cameras are being installed every where for purpose of
security and crime prevention and detection. There are many
type if CCTV cameras are available for this purpose.
IR day/Night Camera
Vandal Proof Camera
Pen Tilt Zoom Camera
7. Indoor Camera
Indoor camera as its name suggests used for
indoor security mechanism.These are suitable
for security in homes,schools,offices,hotels
Outdoor camera is used for outdoor places.They
are mostly used for entry and exist points with
limited night lighting.These cameras have hard
Shell vandal-proof casings.
8. IR day/Night Camera
IR day/night cameras are used for high alert security areas
were surveillance needs to happened day and night.These
cameras are used by military personal,in parking lots and
high security zones.
Cameras are installed inside a dark dome and are design in
a way that they go unnoticed by visitors. These cameras
can be rotated and tilted
Manually. Dome cameras are used in public place like
railway station,busterminals, and other areas where there
is a huge gathering of people.
33. • Wired VS Wireless Security Cameras
Wired security cameras are the best choice since they provide the highest video
quality, no interference, and are less expensive than wireless networks. They can be
installed hundreds of feet away from the security DVR system without a tiny drop in
performance. Figure 1.1 shows a typical connectivity diagram.