When it comes to home and business security, a reliable surveillance system is crucial. One of the best technologies to achieve this is the POE Ethernet security camera. Offering both power and data transfer over a single Ethernet cable, POE cameras reduce installation complexity and enhance performance, making them an excellent choice for anyone looking to improve security coverage. Whether you’re a homeowner or a business owner, understanding the key features of these cameras will help you make the right choice.

In this article, we will dive into the specifics of POE cameras, focusing on two top contenders: the PTZ-4818X-IS3 and the VK743-LIZSU. We’ll break down their features, compare them, and help you determine which one is right for your unique needs.
Why Choose POE Ethernet Security Cameras?
POE Ethernet security cameras are known for their simplicity and effectiveness. By combining power and data transmission into one cable, they eliminate the need for separate power cables, reducing clutter and installation costs. This also makes them an ideal choice for both residential and commercial properties. Key advantages of these cameras include:
- Easy installation: With POE technology, you only need one cable for both power and data, making installation faster and cleaner.
- Cost-effective: Reduced cabling means lower labor costs and less material usage.
- Reliability: Ethernet provides a stable, high-bandwidth connection, ensuring clear video streams and minimal disruptions.
- Scalability: POE systems are highly flexible and can be expanded easily as your security needs grow.
Now, let’s take a closer look at two popular POE Ethernet security camera models: PTZ-4818X-IS3 and VK743-LIZSU.
Comparing PTZ-4818X-IS3 and VK743-LIZSU
Feature | PTZ-4818X-IS3 | VK743-LIZSU |
---|---|---|
Resolution | 8 MP (3840 x 2160) | 4 MP (2560 x 1440) |
Lens Type | 18x Motorized Zoom | 2.8-12mm Motorized Varifocal |
Min. Illumination | Color: 0.01 Lux, B/W: 0.004 Lux | Color: 0.005 Lux, B/W: 0 Lux IR |
Field of View (FOV) | 51.8° to 5.86° (Horizontal) | 96.7° to 29.7° (Horizontal) |
IR Distance | Up to 100 m | Up to 30 m |
Day/Night Functionality | IR Cut Filter | IR Cut Filter |
Compression Standard | H.265+, H.265, H.264 | H.265+, H.265, H.264, MJPEG |
Protection Rating | IP66 (Weatherproof) | IP67 (Weatherproof, Vandal-Proof) |
Audio | Built-in Microphone & Speaker | Built-in Microphone |
Storage Support | Local SD, NFS, NVR, Cloud | Micro SD up to 512 GB |
Key Differences and Application Recommendations:
Resolution and Zoom:
The PTZ-4818X-IS3 offers higher resolution at 8 MP, providing crystal-clear images. It’s perfect for large-scale surveillance areas where high-definition details are critical. The VK743-LIZSU, with its 4 MP resolution, is ideal for smaller spaces that don’t require ultra-high-definition footage.
Lens and Field of View:
The PTZ-4818X-IS3 features a powerful 18x motorized zoom lens, making it suitable for surveillance over large areas where adjustable focal length is necessary. The VK743-LIZSU, with its varifocal lens, offers flexibility in adjusting the viewing angle, though it’s more suited for medium-range coverage.
IR Range:
The PTZ-4818X-IS3 provides superior night vision with an IR range of up to 100 meters, making it perfect for outdoor or perimeter surveillance. On the other hand, the VK743-LIZSU supports IR up to 30 meters, which is sufficient for indoor or smaller outdoor settings.
Vandal and Weather Resistance:
The VK743-LIZSU is more robust with its IP67 protection and vandal-proof IK08 rating, making it the better choice for environments where physical tampering might occur. The PTZ-4818X-IS3 has a solid IP66 rating, ensuring it can withstand outdoor weather conditions but is less resistant to vandalism.
Audio Integration:
Both cameras have built-in microphones, but the PTZ-4818X-IS3 includes an additional speaker, allowing for real-time audio communication, which can be a major advantage in interactive surveillance setups.
VIKYLIN: trusted Security brand in Surveillance industry
VIKYLIN is a trusted security brand in the surveillance industry, known for its cutting-edge POE Ethernet security cameras that cater to both residential and commercial sectors. With years of experience and a commitment to innovation, VIKYLIN offers reliable, high-performance security solutions. The company’s focus on customer satisfaction and providing solutions for various security needs makes it a top choice for anyone looking to enhance their security infrastructure.
Conclusion: Choosing the Right Camera for Your Needs
When selecting a POE Ethernet camera, If you need high-resolution video and extended zoom for large areas, the PTZ-4818X-IS3 is the right pick. However, for smaller, more confined spaces, the VK743-LIZSU provides an efficient and cost-effective solution, with superior weatherproofing and anti-vandal features.
If you’re ready to take your security to the next level, get in touch with VIKYLIN today to discuss your needs and receive a personalized quote.