This document summarizes the key elements of a CCTV (closed-circuit television) system. It describes two main types of CCTV systems: wired and wireless. Important elements that are discussed include cameras, lenses, monitors, and DVR (digital video recorder). Different types of cameras are outlined, including indoor cameras, outdoor cameras, IR (infrared) day/night cameras, dome cameras, bullet cameras, and PTZ (pan-tilt-zoom) cameras. Advantages of CCTV systems include increased security, easy maintenance, and assisting police. Disadvantages include limited camera views, required maintenance, potential hacking, and privacy issues.

1. CCTV SYSTEM
N. Rifky Ahamed
JF/BST/17/F/1/0028
Building Services Technology

2. CCTV System
Closed Circuit Television: Also known as
video surveillance, it is the use of video
cameras to transmit a signal to a specific
place, on a limited set of monitors.

3. Types Of CCTV System
CCTV Systems are broadly divided into Two
Types. There are,
•Wired CCTV System
•Wireless CCTV System

4. Important Elements of CCTV Systems
•Camera
•Lens
•Monitor
•DVR

5. Wired CCTV System
• Wired CCTV is a range of security products that are ideal for
Residential and Commercial Building Application by Installing a CCTV
System.
• You can protect a property and improve your pace of mind.
• CCTV Cameras act as a visual deterrent allow you to computer.

6. Wireless CCTV System
• Wireless security camera are closed – security television cameras that
transmit a video and audio signal to a wireless receiver through a
radio band.
• Many wireless security cameras require at least one cable or wire for
power, ”Wireless” refers to the transmission of Video/Audio.

7. Types of CCTV Camera
• Indoor Camera
•Outdoor Camera
• IR Day/Night Camera
• Dome Camera
• Bullet Camera
• Vander Proof Camera
•Hidden Camera
• Pan Tilt Zoom Camera

8. Indoor Camera
• Its used in Indoor security Mechanisms.
• There are used in Homes, Hospitals, Schools, Offices, Hotels,
Apartments etc.

9. Outdoor Camera
• Its used in Outside Places.
• They are mostly used for entry and exit points with limited night
lighting.

10. IR Day Camera/ Night Camera
• These are used for high alert areas security areas were surveillance
needs happened day and night.
• These Cameras are used by military personal, in parking a lot and high
security zones.

11. Dome Camera
• These cameras can be rotated and tilted manually. These cameras are
used in public places.

12. PTZ Camera
• These types of CCTV cameras allow a person controlling the
surveillance of an area to move cameras remotely, usually with an
RF(wireless) or wired controller
• Most amenable cameras allow the person monitoring it to move the
camera from:
 Pan- right to left
 tilt – up to down
 zoom- close up zoom

13. Bullet Camera
• Cylindrical
• Tapered shape
• Similar to that of a rifle bullet
• Outdoor use installed inside protective casings, which protect against
dust, dirt , rain, hail and other harmful elements.
• Require long distance viewing
• Fixed or varifocal lenses.

14. Advantages Of CCTV
• More security.
• easy to maintain.
• Assist the police in crime.
• Increase the security level.

15. Disadvantages Of CCTV
• Limited camera view
• Maintenance
• Hacking
• Privacy is an issue

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