Buying guide · updated Oct 2026
CCTV explained: 2MP vs 5MP, DVR vs NVR
The two choices that change price and picture the most — explained without jargon.
Resolution
2MP vs 5MP
| 2MP (Full HD) | 5MP | |
|---|---|---|
| Picture | 1920 × 1080 — clear for most homes and shops | More detail — faces and number plates further away |
| Storage | Less hard-disk space per day | More space per day — plan a bigger disk |
| Best for | Homes, small shops | Entrances, counters, wide outdoor areas |
Recorder
DVR vs NVR
| DVR (HD analogue) | NVR (IP) | |
|---|---|---|
| Cameras | HD analogue cameras | IP network cameras |
| Cable | Coaxial + power (3+1 cable) | Network cable (Cat6) with PoE power |
| Strengths | Economical, simple, very common | Higher detail options, easy expansion, long cable runs |
| Best for | Homes and shops | Buildings, schools, large sites |
Features
Other features worth knowing
- Colour night vision: cameras with a soft white light show colour at night instead of black-and-white.
- Mic cameras: record sound — useful at counters and entrances.
- Two-way audio: talk through the camera from your phone.
- Mobile viewing: every kit we install is set up on your phone.
Live prices
CCTV price listKits: HD and IP
FAQ
Questions people ask
Is 5MP always better?
It gives more detail but needs more storage. For a home gate, 2MP is usually enough; for a shop entrance, 5MP helps.
Can I mix DVR and IP cameras?
Not on the same simple recorder. Choose one system; ask us if you need a hybrid setup.
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