Camera security
Choosing and understanding equipment
Plain explanations of what each camera type is for, how much resolution you actually need, how long footage really lasts, and the details that decide whether a system is useful or just expensive. Written by the people who fit them.
All 29 pages
- Dome cameras: where they work and where they do notWhat is a dome camera used for?
- Bullet cameras: long-range outdoor coverageWhat is a bullet camera best for?
- PTZ cameras: when a moving camera is worth itWhat is a PTZ camera and do I need one?
- Number plate cameras: how ANPR actually performsHow do number plate recognition cameras work?
- Camera resolution: how much is actually enoughHow many megapixels do I need for CCTV?
- CCTV storage: how long footage really lastsHow much storage do I need for CCTV?
- Night vision: what the infra-red rating really meansHow well do CCTV cameras see at night?
- Wireless CCTV: what it solves and what it costs youIs wireless CCTV any good?
- Solar-powered CCTV for sites with no mainsCan CCTV cameras run on solar power?
- DVR and NVR: which recorder your system needsWhat is the difference between a DVR and an NVR?
- IP cameras explained for business ownersWhat is an IP camera?
- Power over Ethernet for camera systemsWhat is PoE and why does it matter for cameras?
- Camera power supplies: the most common failure pointWhy do CCTV power supplies fail?
- Keeping CCTV running through load-sheddingWill my CCTV work during a power cut?
- Watching your cameras from your phoneHow do I view CCTV on my mobile?
- Stopping your own cameras being hackedHow do I secure my CCTV system?
- Where you may and may not point a cameraIs it legal to point a CCTV camera at the street?
- CCTV warning signs: why they earn their keepDo I need a CCTV sign?
- Planning cameras for a family homeWhere should I put cameras on my house?
- Planning cameras for a shop or businessWhere should cameras go in a shop?
- What a CCTV service visit should actually coverHow often should CCTV be serviced?
- Automatic gates and how they pair with camerasHow does automatic gate control work with CCTV?
- Access control: cards, fingerprints and who gets inWhat is an access control system?
- Biometric attendance systems for small businessesHow does a biometric attendance system work?
- Installing cameras in a rented shopCan I install CCTV in a rented property?
- Buying second-hand CCTV equipmentShould I buy used CCTV equipment?
- Upgrading an older CCTV systemCan I upgrade my old CCTV without replacing everything?
- How long a CCTV installation takesHow long does it take to install CCTV?
- How to judge a CCTV installer before you buyHow do I choose a CCTV company?
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