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Clear Security
Articles from Clear Security: buying guides, product comparisons and answers to specific questions.
For a typical 4MP camera, a lens of roughly 4-6mm will cover a 10 m wide scene at identification density, which is about 250 pixels per metre on the commonly…
An 8MP camera records 3840×2160 pixels, twice the 2560×1440 of a 4MP camera, but that works out at only 1.5× more detail across the width of the picture.
Night image quality on a CCTV system comes down to three things: how much light the camera can gather, how much light you give it, and what the scene does to…
What a shop pays for CCTV depends on how many cameras it needs, how far the cable has to run, how much footage it must store and who does the labour, not on…
The best NVR recorder is the one whose channel count, total bitrate ceiling and drive bays cover your cameras and your retention period with room to spare, so…
Yes, care homes can use CCTV, but only when it is justified, proportionate and consulted on first, so the purchase should follow that decision rather than lead…
A camera bracket is the arm or plate that fixes a CCTV camera to a wall, soffit, pole or corner and holds its aim steady.
There is no single best business CCTV camera: the right one depends on how far it sits from the face or plate you need to capture, how much light and glare it…
Yes, CCTV is covered by UK GDPR whenever it records identifiable people beyond a purely household setting, and a camera pointing at a public street, a…
An ANPR camera costs from around £600-£1,200 as hardware alone, while a professionally installed single-lane commercial system starts from around £7,000…
PoE and IP aren't rivals: "IP" describes how a camera sends digital video over a network, while "PoE" describes how it's powered, so every PoE camera is an IP…
A sound business CCTV installation is decided on the survey sheet, not on the day the cameras go up.
