Everything You Need to Know about CCTV Security Cameras

The market of security cameras has advanced so much in recent years, some new technologies, like the trail cameras, new software for analysis of videos, like the POS management software, and several models emerge each new demand. To the reality of the supermarkets and your concern about management and loss prevention, that is a huge plus, but, at the same time, brings a series of questions about the technologies, your operation and differences.

This information often are restricted to technicians, in addition to dand be found in complex and difficult understanding languages. To lay or anyone knows only superficially the subject can be really complicated to understand technical manuals. Knowing of this difficulty, we seek, together with our technicians, answering the questions we are most frequently asked about the CCTV systems for supermarkets and retail stores, to facilitate the retailers in the moment of choice of cameras ideal for your business.

WHAT IS THE AUTONOMY OF A CCTV RECORDING?

Recording autonomy depends on several factors such as: number of cameras, resolution, frames per second rate and the size of the appliance will be HD recorded the images. Another important factor that we must take into consideration, is the compression algorithm that the appliance uses to perform the recording. There is, in the market, a series of equipment with different types of compression. The most common are: MPEG2, MPEG4 and H. 264. The latter is more efficient and that’s what Gunnebo uses in their equipment.

WHAT TYPES OF CAMERAS AVAILABLE CURRENTLY ON THE MARKET?

There are several types of security cameras available, each with their specific characteristics, and can be grouped into: fixed or mobile, analog or IP.

The fixed cameras are divided into:

  • Box: are known to your format similar to that of a box;
  • Dome: fairly common, have rounded shape, like a bubble;
  • Bullet: cylindrical shaped in lens, have infrared sensor;
  • Pinhole: Are extremely small and have lenses with the size of a pinhead. Indicated for locations where there is a real need to hide the cameras.

In relation to the above, cameras can have fixed-type lens that has a value that cannot be changed-for example: 3.6 mm, which is the most common lens used in the market by approaching to the vision of the human eye. Another possibility is the varifocal-where the value can be adjusted as need-for example: 4 to 12 mm lens, where 4 mm is minimum, and 12 mm is 3 times zoom in the preview of the image.

Mobile security cameras already are divided into:

  • Speed Dome: is the ideal camera for overt security, by possessing a high horizontal speed, high zoom ratio, being the most common 23 x, 25 x, 27 x, and 32 x zoom. Has several types of settings including BLC, DNR, WDR and presets options, patern and others.
  • Pan-tilt: is used for road carriers, not so well known in the retail market. It’s a stylized box with horizontal and perpendicular movement, the camera is inside a protective box, box type with varifocal lens.

WHAT IS THE TUB CAMERA? WHY SHE IS INNOVATIVE?

The TUB Camera could be placed within the category of mobile cameras, but its competitive advantage to transform in a different tool for the retail market. For being a trail, it is ideal for monitoring large spaces with greater productivity and less cost.

With the Tub Camera, the monitored area can be unlimited and with visual coverage of 360° (without interference from columns or banners in stores), which is a great advantage when compared to other mobile cameras. Can also function as an excellent assist to CCTV already installed, moving with precision and great speed inside a tube with total discretion, without length limit.

Displacement speed allows you to track all events suspects on the same screen with high resolution image in real time, facilitating the work of the operator that is able to more easily control the system, anticipating events and track all activities without loss of information.

WHAT IS THE DIFFERENCE BETWEEN ANALOG AND IP CAMERA?

The big difference between an IP Camera and an analog camera is the signal generated by them. In the analog camera, the signal has no compression. The opposite occurs in the IP Camera, which goes through a treatment for transforming the digital video signal.

WHAT VOLTAGE I NEED TO PROVIDE FOR THE INSTALLATION OF CCTV?

The voltage to be used has no restriction, as long as it’s stable.

WHAT IS AND WHAT IS THE FUNCTION OF THE DVR?

DVR -stands for Digital Video Recorder-is nothing more than a video recorder for CCTV. Its primary function is to record images generated by cameras, broadcast them live to the main and auxiliary monitors, stockpiled for playback and backup and make the transmission and remote play (via network). To know what the best option for your business is to know what the time required and the amount of security cameras available in your store.

WHAT IS A HYBRID DVR?

The hybrid DVR is a device where they can be viewed and recorded images from analog camera how much IP Camera.

WHAT IS AND WHAT IS THE FUNCTION OF AN NVR?

NVR – stands for Network Video Recorder – is the system responsible for managing and storing the images from security cameras with TCP/IP network communication or simply IP Camera. In simple explanation, it would be the equivalent to a DVR, but specific to IP cameras.

WHAT IS DIGIPRYN?

The Digipryn is a NVR monitors and enables you to analyze the images from the cameras with remote monitoring over the internet or 4 g networks. His great competitive advantage are the various image management features that guarantee quality and safety to customers who invest in Closed Circuit of TV.

One of the features that stands out in this solution is the ability to view live images, control the mobile cameras, reproduction and export of images without installing any software, reducing the costs of the retailer. Its intuitive interface makes it possible for any operator to perform the analysis and intrusion detection, the detection of suspicious objects or missing objects and queue monitoring.

In addition, the solution also brings the function array with up to 32 channels, expanding the possibility of monitoring, and offers several methods of search: by date and time, by «mark», by area in the image, per file. The Digipryn is the true eye of the owner in the establishment.

WHAT IS AND WHAT GOOD IS A UTP CABLE?

The UTP cable is a type of twisted-pair cable, which consists of two insulated strands of copper twisted. It was developed for construction of computer networks and has been widely used for creating TV Circuits. This happened by virtue of being a cheap cable and provide the option to spend more than one camera for every cable, reducing the size and expense of the end of a system infrastructure.

HOW MANY IMAGES CAN I VIEW AT THE SAME TIME ON THE MONITOR?

With the monitor connected directly to the DVR, the amount of images is of 16 cameras. But there is the possibility to use a Client, provided by your company or by Gunnebo, making it possible to show a maximum of up to 64 cameras. A number 4 times higher than normal.

HOW LONG CAN I RECORD THE IMAGES FROM THE CAMERAS?

The recording time will be determined by the size of your HD, as well as by the settings imposed on the DVR or NVR used.

And you have any more questions to add?

We believe that with these issues you can begin to understand these systems, their differences and specifics, but if you still have any questions, do not hesitate to contact us or leave your questions in the comments! We will be very pleased to be able to help.