ptz camera meaning
PTZ Camera Meaning: Pan Tilt Zoom CCTV
PTZ stands for pan, tilt, zoom: a motorised camera that can be steered left and right, up and down, and magnified remotely, usually over a network connection.
8 min read
Clear Security
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Articles from Clear Security: buying guides, product comparisons and answers to specific questions.
video door entry systems for flats
Video Door Entry Systems for Flats: Wiring, Power & Cost Guide
A video door entry system for flats is a wiring and power-distribution job first and a product choice second, because the right type depends on how many flats…
9 min read
cctv cameras for warehouse
Warehouse CCTV Cameras: How to Pick & Place 2026
A warehouse needs different cameras for different zones, not one model repeated across the site: the loading dock, perimeter and entrances, racking aisles and…
9 min read
best hikvision nvr for home
Best Hikvision NVR for Home 2026
There's no single best Hikvision NVR for home use, because the right one depends on how many entry points you need to cover and whether you already own…
7 min read
best poe switch for cctv
Best PoE Switch for CCTV UK 2026
The best PoE switch for CCTV is the one whose total PoE budget covers your cameras' maximum draw rather than their typical draw, with headroom to spare, and…
7 min read
cctv guidance for schools
UK School CCTV Guidance 2026: Legal Rules
School CCTV is lawful in the UK, but footage of identifiable pupils, staff and visitors is personal data, so the school or trust, as data controller, must run…
8 min read
cctv policy for pubs
CCTV Policy for Pubs: UK Law & Requirements
No law makes CCTV compulsory in every pub, but your premises licence may require it: under the Licensing Act 2003 the licensing authority can attach it as a…
9 min read
rfid access control system
RFID Access Control System: Install & Integrate
An RFID access control system lets people unlock a door by presenting a contactless card or fob.
10 min read
hikvision nvr
Best Hikvision NVR 2026: 4, 8 & 16 Channel
The best Hikvision NVR is the one that matches your camera count, resolution, PoE needs and whether you want AcuSense AI on the recorder.
7 min read
dvr meaning
DVR Meaning in CCTV: What It Is & How It Works
A DVR, or digital video recorder, is the box in a CCTV system that takes the feeds from your cameras and records them to a hard drive so you can review footage…
9 min read
cctv for car parks
CCTV for Car Parks: Coverage & Retention Guide
The lighting you actually have on the car park floor, not a camera's headline low-light claim, decides which camera will work, so choose from the light you can…
8 min read
cctv for construction sites
CCTV for construction sites: wired and 4G cameras
The best CCTV for a construction site depends less on the camera than on what the site gives you: wired PoE cameras recording to an NVR suit sites with mains…
9 min read