CCTV – Guide to CCTV Cameras and Systems

Closed Circuit Television, or CCTV, has become one of the most effective ways to protect homes, businesses, and public spaces. Modern security cameras are clearer, smarter, and easier to use than ever before — and you don’t need to be an IT expert to install a professional CCTV security camera system.

This guide will walk you through the basics of CCTV, different types of cameras, how systems work, and what to look for when choosing the best security camera system for your property. Along the way, we’ll highlight how CCTV Security Pros and our SureVision IP security cameras make it simple to get pro-grade protection with no monthly fees.

What Is CCTV?

CCTV (Closed Circuit Television) is a video surveillance system where cameras send video to a recorder or monitor on a private, closed network — not a public broadcast. In a typical CCTV setup, one or more security cameras send footage to a DVR or NVR, where it is stored and viewed locally or remotely.

Today, most new CCTV installations use IP security cameras, which send digital video over a network using Ethernet cables (PoE). Older systems may still use analog coax cameras, but IP technology delivers higher resolution, better features, and more flexibility.

How Do CCTV Security Camera Systems Work?

A modern CCTV security camera system has four main components:

• Security Cameras: Capture video in and around your property.
• Cables or Network: Connect cameras to the recorder (Ethernet for IP or coax for analog).
• DVR/NVR Recorder: Stores and manages video footage and system settings.
• Monitor / Remote Access: View live and recorded video on a TV, monitor, phone, or computer.

With PoE IP security cameras, a single cable runs from each camera back to the NVR. Power and data travel over the same line, simplifying wiring and giving you clean, reliable video.

Types of CCTV Security Cameras

Different locations call for different types of security cameras. Common options include:

• Bullet Security Cameras: Ideal for covering driveways, parking lots, fences, and long, narrow views. Shop Bullet Security Cameras
• Dome Security Cameras: Low-profile and vandal-resistant, great for offices, entries, and indoor ceilings. Shop Dome Security Cameras
• PTZ Cameras: Pan–Tilt–Zoom cameras let you move, zoom, and track activity from one camera. Shop PTZ Security Cameras
• Fisheye / 360° Cameras: Provide wide, panoramic coverage of large open areas with a single camera. Shop Fisheye 360° Cameras
• License Plate (LPR) Cameras: Specialized cameras designed to clearly capture plates at entrances, gates, and lots. Shop License Plate Cameras

Many CCTV systems combine multiple camera types to cover entrances, parking areas, aisles, and high-value zones.

DVR vs NVR – Which CCTV System Is Right for You?

CCTV systems generally use either a DVR (Digital Video Recorder) or an NVR (Network Video Recorder):

• DVR Systems: Use analog coax cameras. A good choice for upgrading older coax wiring.
• NVR Systems: Use IP security cameras over Ethernet (PoE). Offer higher resolution and more advanced features.

Most new installs choose IP camera systems for higher quality and easier expansion. You can explore complete systems here: IP Security Camera Systems and SureVision NVRs.

Key Features to Look for in CCTV Security Cameras

• Resolution: 1080p, 4MP, or 4K for sharper detail.
• Night Vision: Strong infrared or color-at-night technology.
• Weather Rating: Outdoor-rated housings for exposed areas.
• AI Motion Detection: Smart alerts for people and vehicles.
• Remote Viewing: Free apps to view your cameras on phone or PC.
• Audio: Built-in microphones on select models for added context.

Where Should You Install CCTV Cameras?

Every property is different, but most CCTV layouts start with these priority areas:

• Main entrances and exits
• Parking lots and driveways
• Loading docks and back doors
• Cash registers, safes, and stock rooms
• Common areas, hallways, and lobbies

Our team of security professionals can help you plan your CCTV camera system layout based on your unique building and risk points.

CCTV Security Camera Systems – Frequently Asked Questions

Do CCTV systems require monthly fees?

With CCTV Security Pros, there are no monthly fees. Once you purchase your CCTV system, the remote viewing apps, PC software, and monitoring tools are included at no extra cost.

Can I view my security cameras from my phone?

Yes. Our IP security camera systems include free apps for iOS and Android, plus PC/Mac software. You can watch live video, playback recordings, and receive motion alerts from virtually anywhere.

Is a CCTV system difficult to install?

Most customers complete installation with basic tools. PoE IP systems use one network cable per camera, and our step-by-step guides and USA-based support team make it easy to get up and running.

What is the best CCTV system for my business?

The best system depends on your coverage needs, lighting, and budget. Many businesses choose a mix of bullet and dome cameras, with a SureVision NVR for recording. Our security pros can recommend the ideal security camera system based on a quick phone consultation.