Surveillance CCTV
Secure your property with next-gen surveillance CCTV systems designed for total independence and reliability.
Professional Disclaimer!
⚠️ Professional Installation: Recommended products sold by Nextum involve high-voltage electricity and chemical energy storage. Improper installation may result in fire, injury, or system failure. We strongly recommend consulting with a certified electrician or solar specialist before installation.
🔋 Compatibility Check: Always verify voltage matching (e.g., 48V vs. 12V) before connecting components. Nextum is not responsible for damage caused by mismatched inverters, controllers, or batteries.
We provide a comprehensive range of surveillance solutions that bridge the gap between high-end industrial security and the modern smart home. Our collection features advanced security cameras that offer high-resolution imaging, intelligent motion tracking, and seamless integration with your existing network infrastructure. Whether you are looking to secure a residential property, a remote off-grid cabin, or a high-traffic commercial area, we offer the technical expertise to help you choose the right hardware for a safer future.

Surveillance FAQ
What is surveillance technology?
Surveillance is the systematic observation of a property or area to gather data, manage safety, or protect assets. Modern surveillance incorporates digital sensors and AI to detect movement and identify specific objects or persons in real-time.
What are security cameras?
Security cameras are specialized digital devices designed to capture high-definition video footage of a specific location. They often include features like night vision, weatherproofing, and remote access to ensure 24/7 protection of your home or business.
What is the difference between an NVR and a DVR in security systems?
An NVR (Network Video Recorder) processes digital data encoded at the camera level, typically used with IP security cameras via Ethernet or WiFi. A DVR (Digital Video Recorder) is an older technology that processes analog signals via coaxial cables. Nextum Shop focuses on NVR-based systems for superior digital clarity and smart integration.
What is CCTV (Closed-Circuit Television)?
CCTV refers to a system where video signals are transmitted from security cameras to a specific, limited set of monitors or recording devices. Unlike broadcast television, the signal is not openly transmitted, making it a private and secure method for property monitoring.
How many megapixels do I need for clear surveillance?
For general indoor surveillance, 2 MP to 3 MP is often sufficient. However, for outdoor security where you need to identify intruders at 30+ feet, we recommend a minimum of 5 MP or 4K resolution cameras.
Can security cameras work without an internet connection?
Yes, many of our security cams can record directly to a local MicroSD card or a hardwired NVR without an external internet connection. However, you will need a local network or 4G connectivity to view the feed remotely on your smartphone.
What is H.265 compression in security cams?
H.265, also known as HEVC, is a video compression standard that allows the camera to record high-quality video while using significantly less data. This means you can store more footage on your hard drive and stream smoother video on low-speed mobile data.
Are solar-powered security cameras reliable in winter?
Our solar-powered security cams are designed with high-efficiency monocrystalline panels. While charging is slower on cloudy days, the integrated Grade A lithium batteries are sized to provide several days of backup power. Regardless, we recommend placing panels in direct southern exposure for optimal winter performance.
Professional Installation
Beware at products involving high-voltage electricity and chemical energy storage! Improper installation may result in fire, injury, or system failure. We strongly recommend consulting with a certified electrician or solar specialist before installation.

Compatibility Check
Always verify voltage matching (e.g., 48V vs. 12V) before connecting components. Nextum is not responsible for damage caused by mismatched inverters, controllers, or batteries.
High Performance Security Cameras For Modern Infrastructure
Next-gen security cameras require more than just a lens; they require sophisticated sensors and reliable power management. We focus on providing hardware that utilizes Grade A components to ensure your surveillance CCTV operates 24/7 without degradation. Our systems support various resolutions, ranging from 2K QHD to ultra-sharp 4K, allowing for precise identification and forensic-level detail. Many of our outdoor units are designed to work in tandem with solar power stations, ensuring that your security remains active even during grid failures.
Surveillance Technology Classification
Understanding the specific categories of CCTV hardware is essential for building an effective security perimeter. We categorize our surveillance equipment based on connectivity, sensor technology, and environmental resistance to help you find the exact match for your project.
Residential Indoor Security Cams
These security cameras are optimized for interior environments where wide-angle coverage and privacy are paramount. We offer models with 3MP to 5MP sensors that deliver crisp Full-HD video. Most units include dual-band WiFi (2.4GHz and 5GHz) for stable streaming and built-in two-way audio for real-time communication.
Rugged Outdoor Surveillance CCTV
Built to withstand the elements, our outdoor security cameras feature IP66 or IP67 weatherproofing. These units often include specialized IR cut filters and high-intensity LED arrays for full-color night vision. For large perimeter monitoring, we recommend our PTZ (Pan-Tilt-Zoom) models which provide 360-degree coverage and automated tracking.
Off Grid 4G And Solar Security Cameras
Perhaps the most empowering technology in our shop is the standalone 4G surveillance CCTV. These cameras do not require a local WiFi network and are typically paired with integrated 10W to 30W solar panels and high-capacity Lithium batteries. They are the ideal solution for construction sites, rural farms, or RV enthusiasts who need reliable surveillance in remote areas.

Types of Surveillance Systems
Understanding the hardware hierarchy is essential for building a robust security network. We categorize our surveillance CCTV offerings based on connectivity, power source, and specialized functionality.
Wired IP Security Cameras
These units represent the gold standard for reliability. By utilizing Power over Ethernet (PoE), a single cable provides both high-speed data and stable DC power. They are ideal for permanent residential installations where maximum uptime is the priority.
Wireless WiFi Security Cams
Well, for those who prefer a less invasive installation, our WiFi security cams support dual-band frequencies. These are perfect for indoor surveillance or areas with strong router signals, providing flexibility without the need for extensive structural wiring.
Solar-Powered Security Cameras
Perhaps the most empowering technology in our catalog, these units feature integrated or detached photovoltaic panels. They are designed for RV/Van-life adventurers or large rural properties. These systems typically utilize Grade A Lithium cells to manage high cycle counts during night-time operation.
PTZ (Pan-Tilt-Zoom) Smart Cameras
These dynamic security cameras offer 360-degree coverage and optical zoom capabilities. With advanced AI human tracking, they can follow a subject across a yard, effectively doing the work of multiple fixed-lens cameras.

Technical Recommendations For System Pairing
Setting up a professional surveillance CCTV system involves more than just mounting a camera. To achieve true independence, we recommend pairing your WiFi security cameras with a dedicated NVR (Network Video Recorder) equipped with high-endurance surveillance-grade hard drives. If you are using our Power over Ethernet (PoE) models, ensure you have a compatible PoE switch that can handle the total wattage required by the sensors and night-vision LEDs.
For those implementing an off-grid security cam setup, we suggest using our 12V 100Ah LiFePO4 batteries paired with a 20A MPPT charge controller. This setup ensures that even during consecutive cloudy days, your security cameras have enough stored chemical energy to maintain operation. Always ensure that the voltage of your power bank matches the input requirements of your surveillance hardware, typically 12V DC for standalone units or 48V DC for PoE injectors.
Professional Insights On Resolution And Storage
Well, the difference between a standard HD camera and a 4K surveillance CCTV is significant when it comes to digital zooming. A 4K sensor provides 8.3 million pixels, allowing you to zoom into a license plate or a face without the image becoming pixelated. However, higher resolution means higher bitrates. We recommend using H.265+ compression technology, which is standard in our next-gen security cameras, to reduce storage consumption by up to 50% without losing image quality.
