Security Camera Systems Expert Guide
Learn everything you need to know about selecting the right security camera system for your home or business — from HD video, camera types, and storage options to wired vs wireless solutions.
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View Expert SystemsWhy HD Video Is Essential for Security
Investing in high-definition security cameras ensures crystal-clear footage. HD systems allow identification of faces, license plates, and activity that analog cameras may miss.
- 720p (1MP): Basic HD resolution
- 1080p (2MP): Full HD
- 4MP–8MP: 2K to 4K Ultra HD
HD video enables digital zoom without pixelation, maintaining clarity for critical surveillance footage.

Types of Security Camera Systems
- Analog CCTV Systems: Cost-effective, lower resolution, uses RG59 coaxial cables
- HD CCTV Systems: HD over coax with BNC connectors, supports up to 4K
- IP Systems: Ethernet (CAT5/CAT6), PoE-powered, supports up to 4K video
Visit our System Comparison Page for detailed insights.
DVR vs. NVR Recorders
Recorders are the brains of your system. Choose the right one based on camera type:
- DVR: Works with analog and HD CCTV cameras
- NVR: Compatible with IP cameras
All recorders support remote viewing, motion-triggered recording, and event playback with no monthly fees.

Types of Security Cameras
CCTV Security Pros cameras can be used both indoor and outdoor.

| Camera Type | Key Features |
|---|---|
| Bullet Cameras | Ideal for long-range outdoor viewing, strong IR |
| Dome Cameras | Vandal-proof, discreet, wide-angle indoor/outdoor use |
| PTZ Cameras | 360° pan-tilt-zoom control, ideal for large areas |
| License Cameras | Captures and Stores License Plates |
| Fisheye Cameras | Wide angle and up to 360° views |
| Wireless Cameras | 75 ft wireless range, easy install, great for small spaces |
Lens Size and Field of View Guide

| Lens Size | Field of View | Best Use |
|---|---|---|
| 2.8mm | ~110° | Large open areas, parking lots |
| 3.6mm | ~90° | Entryways, offices |
| 6–12mm Varifocal | Adjustable | Zoom-in capability for focused viewing |
| 50mm+ | Narrow | License plates, gates, distant targets |
Check our Camera Lens Comparison Page for real video examples.
Wired vs. Wireless Security Cameras
While wireless cameras are easier to install, wired cameras offer the most reliable performance and better security — ideal for commercial environments.
- Wireless: Easy to set up, but limited range and clarity
- Wired (PoE): Reliable, no signal drops, recommended for business use
Video Storage & Surveillance Footage
Choose storage based on number of cameras and retention needs:
- 1TB for 2–4 cameras
- Up to 64TB for 64-camera systems
- Expandable drives, motion-only recording recommended

Explore Surveillance Hard Drives to match your storage requirements.
Why Choose CCTV Security Pros?
- ✅ Over 70,000 systems sold nationwide
- ✅ 3-Year Warranty on all products
- ✅ USA-based Expert Support
- ✅ Free Shipping on orders over $100
- ✅ 100% Satisfaction Guarantee
Request a Custom Quote or Contact Us for help choosing the best security camera system.
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