CCTV

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CCTV

Closed-circuit television   

Dome CCTV cameras

Closed-circuit television (CCTV) is the use of video cameras to transmit a signal to a specific place, on a limited set of monitors. It differs from broadcast television in that the signal is not openly transmitted, though it may employ point to point (P2P), point to multipoint, or mesh wireless links. Though almost all video cameras fit this definition, the term is most often applied to those used for surveillance in areas that may need monitoring such as banks, casinos, airports, military installations, and convenience stores. Videotelephony is seldom called "CCTV" but the use of video in distance education, where it is an important tool, is often so called.^[1][2]
In industrial plants, CCTV equipment may be used to observe parts of a process from a central control room, for example when the environment is not suitable for humans. CCTV systems may operate continuously or only as required to monitor a particular event. A more advanced form of CCTV, utilizing digital video recorders^[3] (DVRs), provides recording for possibly many years, with a variety of quality and performance options and extra features (such as motion-detection and email alerts). More recently, decentralized IP-based CCTV cameras, some equipped with megapixel sensors, support recording directly to network-attached storage devices, or internal flash for completely stand-alone operation. Surveillance of the public using CCTV is particularly common in many areas around the world including the United Kingdom, where there are reportedly more cameras per person than in any other country in the world.^[4] There and elsewhere, its increasing use has triggered a debate about security versus privacy.

Camera Model	Camera Image	Features
SafeTrolley 1033E		High Resolution IR Dome Camera 520TV Lines, SHARP Chip Night Vision (Able to record in total darkness) 21 LED, Effective IR Range Reaches up to 15 meters
SafeTrolley 5306		Super High Resolution IR Dome Camera 600TV Lines, SONY Chip Night Vision (Able to record in total darkness) 21 LED, Effective IR Range Reaches up to 15 meters
Safetrolley 6304		High Resolution Mini Dome Camera Mini Dome, Elegant Design 520TV Lines SONY Chip
Samsung SCD-2030		Super High Resolution Mini Dome Camera Mini Size Dome, Elegant Design 600TV Line
SafeTrolley 4082		Super High Resolution Vari-focal Dome Cameras 600TV Lines SONY Chip Adjustable Focus Lens (f3.8 ~ f9.5mm)
SafeTrolley 1036E		High Resolution IR Outdoor Camera IP67 Standard Approved Waterproof Casing 520TV Lines, SHARP Chip Night Vision (Able to record in total darkness) 21 LED Light (IR Effective Distance: Up to 15 meters)
SafeTrolley 1038E		High Resolution IR Outdoor Camera IP67 Standard Approved Waterproof Casing 520TV Lines, SHARP Chip Night Vision (Able to record in total darkness) 21 LED Light (IR Effective Distance: Up to 15 meters)
SafeTrolley 6452		Super High Resolution IR Outdoor Camera IP67 Standard Approved Waterproof Casing 600TV Lines, SONY Chip Night Vision (Able to record in total darkness) 21 LED Light (IR Effective Distance: Up to 15 meters)
SafeTrolley 6307T		High Resolution IR Outdoor Camera IP67 Standard Approved Waterproof Casing 520TV Lines, SONY Chip Night Vision (Able to record in total darkness) 21 LED Light (IR Effective Distance: Up to 15 meters)
SafeTrolley 1048E		High Resolution IR Outdoor Camera IP67 Standard Approved Waterproof Casing 520TV Lines, SHARP Chip Night Vision (Able to record in total darkness) 35 LED Light (IR Effective Distance: Up to 35 meters)
SafeTrolley 1049H		High Resolution IR Outdoor Camera IP67 Standard Approved Waterproof Casing 520TV Lines, SHARP Chip Night Vision (Able to record in total darkness) 56 LED Light (IR Effective Distance: Up to 40 meters)
SafeTrolley 4012A		Super High Resolution Box Camera 600TV Lines, SONY Chip Adjustable Focus Lens Auto Iris (Auto Lens Adjustment According to Lighting Condition) Build-in Microphone
Samsung SCP-2120		Super High Resolution PTZ Camera Pan & Tilt &Zoom (PTZ) 360 Degree Viewing 12X Optical Zoom 600TV Line
SafeTrolley 1024R		Hidden Camera Pinhole Type Hidden Camera 420TV Lines, SHARP Chip High reliability
SafeTrolley 5311		Hidden Camera Smoke Detector Type Hidden Camera 420TV Lines, SHARP Chip High reliability
SafeTrolley 5312		Hidden Camera PIR Case Hidden Camera 420TV Lines, SHARP Chip High reliability

Source :- http://en.wikipedia.org, http://www.safetrolley.com/cctv-cameras-list/

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