All our CCTV camera systems are handpicked and have passed our internal quality requirement checklist. This way we can guarantee that the products you buy from us is of high quality and that it provides high value for money.
As mentioned earlier we recommend HD4N1 systems as this standard supports HDCVI, AHD, HDTVI and CVBS. This means that the chances for compatibility are high if you want to expand or replace some old cameras from your existing system.
What You Need to Know When Selecting CCTV systems
With all the various CCTV security cameras available it can obtain a little complex on which one you require. The first thing to think about is do you require an area to see what is happening or do you want face recognition of anybody in the location. For basic security of a large location the conventional 3.6 mm vast angle lens electronic CCTV cameras are an excellent choice. They give a nice wide field of vision and a general suggestion of what is occurring but face acknowledgment comes to be challenging after 20 to 25 feet from the CCTV cam. It does not imply that you cannot see a person or something at 50 feet or even more feet away it is they show up rather small on your display making face acknowledgment tough or difficult.
With typical safety electronic CCTV cameras up to 700 lines of resolution in order to obtain face detail an individual standing will certainly require to take up at least one 3rd the height of the CCTV photo you see on the CCTV monitor. If a 6 ft. individual is standing 50 feet away from the cam the lens in the CCTV video camera will need to be 9mm in order for them to take up 1/3 of the image on your CCTV monitor and appear big enough to see face details.
Since you have an idea of the view you are seeking one more variable to think about is CCTV illumination. The majority of CCTV video cameras can provide you a great image in daytime or well lit locations, nevertheless if you need to see in extremely low light or nighttime darkness you will most likely require a cam with infrared illuminators or one with an extremely reduced lox rating of.001 or much less.
If you are thinking about an infrared safety and security CCTV video camera make certain to pick one that states an infrared range farther than you have to ensure enough lighting at your outermost target area. One more choice is to mount some additional lighting or movement lights that begin when somebody approaches them, this will supply the light needed for a standard shade CCTV video camera to see. The atmosphere the safety and security electronic CCTV cameras are being mounted in is another variable to take into consideration.
If Dahua safety CCTV cams will certainly be mounted in locations that obtain a whole lot of wind and rainfall as opposed to under an eve or patio you want one with a great weatherproof score. The IP score Ingress Protection Rating is most useful, without getting involved in the specifics of the scores the greater score the much better so simply seek a rating of IP66 or IP67 for best protection. We should also mention that sometimes you will locate one cam will certainly not supply all the protection you require so several cams and where to position them should be taken into consideration.