Types of Security Cameras Explained: Types and How to Choose

Security cameras are essential tools for protecting homes and businesses, but with so many options available, it can be overwhelming to choose the right one. In this comprehensive guide, we'll break down the different types of security cameras based on their placement, wiring, power supply, and recording methods, helping you make an informed decision to enhance your security setup.

What Are the Different Types of Security Cameras?

Security cameras come in various types, each designed to fulfill specific needs based on factors like placement, wiring, power supply, and recording methods. Let's delve into each category.

By Placement

  1. Indoor Security Cameras

These cameras are designed for indoor use, typically in homes, offices, or commercial buildings. They are smaller and more discreet, blending into indoor environments without drawing much attention. For example, dome security cameras are commonly used in indoor settings. Their dome-shaped design makes it difficult for intruders to determine the direction the camera is facing, adding a layer of security.

  1. Outdoor Security Cameras

Built to withstand harsh weather conditions, outdoor cameras are equipped with weatherproof casings to protect them from rain, snow, and extreme temperatures. They often feature night vision capabilities for round-the-clock surveillance. Bullet security cameras are one of its types. Resembling a bullet or cylinder, they are typically used for outdoor surveillance. They are easy to install and adjust, making them popular for monitoring large areas like parking lots or building perimeters.

  1. Video Doorbell

A video doorbell is a type of smart security device that combines a doorbell with a built-in camera and intercom system. It allows homeowners to see and communicate with visitors remotely via a smartphone app or a connected device, such as a tablet or computer.


By Wiring

  1. Wired Security Cameras

Wired security cameras are a surveillance device that connects to a recording or monitoring system via physical cables, typically Ethernet (Cat5e or Cat6) or coaxial cables. They require a physical connection to a power source and a recording device, such as a DVR or NVR, offering a reliable and secure connection. Most modern wired security cameras are PoE IP cameras, simplifying installation and setup.

  1. Wireless Security Camera

Wireless security cameras, known as WiFi or wireless IP cameras, do not rely on physical cables for data transmission. Instead, they utilize wireless communication protocols like WiFi, Bluetooth, or Zigbee to connect to a local network or router. Wireless cameras are powered either by batteries or power adapters and offer flexibility in placement, making them easy to install in various locations without the need for extensive wiring. However, they may experience signal interference or dropouts, especially in areas with a lot of wireless devices.

By Power Supply

  1. PoE Cameras (Power over Ethernet)

PoE cameras are surveillance cameras that receive both power and data through a single Ethernet cable. This technology eliminates the need for separate power sources, simplifying installation and reducing cable clutter. PoE cameras are commonly used in security systems, especially in commercial and industrial settings, where consistent power and network connectivity are critical for continuous operation.

  1. Battery-Powered Cameras

Battery-powered cameras are surveillance devices that operate without the need for a direct power source. Instead, they are powered by internal batteries, making them highly portable and flexible in terms of placement. These cameras typically use wireless communication protocols like WiFi to transmit data to a recording or monitoring system. Battery-powered cameras are convenient for temporary installations or areas without access to power outlets. However, they require regular battery replacement or recharging.

By Recording Methods

  1. Local Storage

Security cameras with local storage capabilities save video recordings directly onto an onboard SD card or external storage device. This method ensures quick access to footage and offers an additional layer of security as the footage remains within the premises. However, it may pose risks of theft or tampering due to the physical presence of the storage device on-site.

  1. Cloud Storage

Cloud-based cameras offer users the convenience of skipping a central management device for video recording. These cameras store recorded footage and images directly in the cloud, eliminating the need for on-site storage hardware. Utilizing remote servers or data centers accessible via the internet, cloud storage cameras provide seamless access to footage from anywhere, enhancing convenience and scalability for surveillance systems.

  1. NVR (Network Video Recorder)

NVRs are devices specifically designed to record and store video footage from IP cameras using Cat5 or Cat6 Ethernet cables with RJ45 plugs. They record and store video footage from security cameras onto a dedicated hard drive or network-attached storage (NAS) device. There are two main types of NVRs: PoE NVRs, which have Ethernet ports to connect directly to PoE cameras, and WiFi NVRs, which wirelessly connect to WiFi cameras. NVRs offer centralized management and storage of video data, providing advanced features such as motion detection and remote access.

  1. DVR (Digital Video Recorder)

DVRs are similar to NVRs but are designed for analog security cameras. They process uncompressed video signals from analog cameras using coaxial cables and compress them into a digital format for storage and transmission onto a built-in hard drive. Generally, they offer features like motion detection, scheduled recording, and remote access. DVR systems are compatible with analog cameras and offer features like motion detection and remote access. While they are suitable for legacy surveillance systems, DVRs lack the flexibility and scalability of NVRs, as they are limited to analog camera compatibility.

How to Choose the Right Type of Security Cameras for Your Needs?

When choosing the right type of security camera for your needs, there are several factors to ensure you get the best protection and coverage for your space. Here's how to navigate the options:

  1. Determine the Purpose of Surveillance

Before selecting a camera, identify what you need it for. Is it to monitor the exterior of your home, watch over a business, or keep an eye on pets and children indoors? Exterior surveillance might require weatherproof and vandal-resistant cameras, while interior cameras might need to be more discreet and blend with decor. For businesses, consider cameras with wider viewing angles to cover large areas or detailed image resolution for identifying faces and license plates.

  1. Consider Camera Types and Features

There are several types of security cameras, each with its unique features:

- Dome cameras are common for indoor use, offering a discreet design that makes it difficult to see where the camera is pointing.

- Bullet cameras are more conspicuous and suitable for outdoor use with a longer range and typically come with weather-resistant casings.

- PTZ (Pan, Tilt, Zoom) cameras allow for remote control of the camera’s movement and zoom, ideal for covering large areas dynamically.

- Wireless and IP cameras provide flexibility in placement and often include easy installation and remote access via mobile devices.

  1. Image Quality and Resolution

Higher resolution cameras provide clearer images, which can be critical for identifying details such as faces or license plate numbers. However, they also require more storage space for video data. Standard high-definition (HD) is 1080p, but 4K cameras are becoming more common for situations where image detail is paramount. Balance the need for clarity with the cost and storage requirements.

  1. Lighting Conditions

Consider the lighting conditions of the area you wish to monitor. If the camera location has low light conditions, look for cameras with night vision capabilities or those equipped with infrared (IR) LEDs to enhance nighttime footage. For environments with variable lighting, cameras with Wide Dynamic Range (WDR) can adjust to bright and dark spots simultaneously, providing clearer images.

  1. Storage and Connectivity

Decide how you want to store the recorded video. Options include local storage on an SD card, network-attached storage (NAS), or cloud storage, each with its advantages and limitations regarding security, capacity, and cost. Connectivity also plays a role; ensure the camera can connect efficiently to your network via Wi-Fi, Ethernet, or over cellular networks for remote areas.

Best Security Cameras Recommended

Now equipped with the knowledge of selecting the perfect camera for your requirements, it's time to make the investment. Here are three top-of-the-line security cameras offered by eufy to consider for bolstering your security setup.

eufy 4G LTE Cam S330


The eufy 4G LTE Cam S330 is a cutting-edge security camera designed to provide comprehensive surveillance capabilities with unparalleled freedom.

With its impressive 4K color resolution day and night, it delivers unparalleled image clarity, allowing you to easily identify details such as faces or license plates from a distance of up to 30 feet (10 meters). Additionally, the 100-lumen spotlight illuminates your surroundings for colorful details up to 26 feet (8 meters) away, providing added security and visibility during the night.

Its upgraded solar panel and robust 9,400 mAh battery offer unmatched off-the-grid freedom, making it ideal for locations without easy access to power outlets. This means you can place the camera anywhere on your property without worrying about power sources, providing the flexibility and convenience that traditional wired cameras lack.

Additionally, the eufy 4G LTE Cam S330 offers dual connectivity options with both 4G cellular and Wi-Fi capabilities. This versatility ensures maximum reliability and coverage, allowing you to stay connected and monitor your property regardless of your internet connection status. Whether you're in a remote location with limited Wi-Fi access or facing internet outages, the camera seamlessly switches to 4G cellular connectivity to keep you connected.

Indoor Cam S350


The Indoor Cam S350 by eufy is a standout choice for indoor surveillance, boasting an array of advanced features tailored for optimal home security.

One of its standout features is the impressive 8x hybrid zoom, made possible by integrating a 4K wide-angle and 2K telephoto camera. This allows you to zoom in on specific areas or objects precisely without sacrificing image quality.

In low-light conditions, the camera's exceptional night vision capabilities come into play. With an f/1.6 aperture sensor and 8 adaptive infrared lights, faces can be seen up to 32 feet away, ensuring that you never miss a moment, even in the dark.

Besides, its complete coverage is ensured thanks to the camera's 360° pan and tilt capabilities, which eliminate blind spots and provide a comprehensive view of your space. Whether you're using it as a dog camera or cat camera to keep an eye on your pets, or as a general surveillance tool, you can trust that it has you covered from every angle.

SoloCam S230 (S40)


Just like eufy 4G LTE Cam S330, the eufy SoloCam S230 (S40) also features a solar-powered design, without needing battery changes. With just 2 hours of direct sunlight every day, it can continuously operate, ensuring uninterrupted surveillance and eliminating the hassle of regular maintenance.

In addition to its solar-powered capabilities, the camera features an ultra-bright 600 Lumens spotlight that activates upon motion detection. This provides added security by illuminating any unwanted guests and deterring potential intruders. Combined with its color night vision, which picks out details in darkness up to 8 meters away, the SoloCam S230 (S40) ensures that your property is always protected, day and night. 

Better still, with no hidden costs or monthly fees, the SoloCam S230 (S40) offers complete transparency and affordability. Everything is done on-device, ensuring that your security footage remains private and secure at all times.


By understanding the various types of security cameras and their unique features, you can select the perfect option to suit your specific needs. Whether you're looking for indoor surveillance, wireless flexibility, or cloud-based recording, there's a security camera out there to provide the peace of mind and protection you deserve.


Which Type of Security Camera Is Best for Home Use?

For home use, wireless security cameras are often the best option due to their easy installation, flexibility in placement, and remote monitoring capabilities. They provide convenient surveillance without the need for extensive wiring.

Can Wireless Cameras Work without Internet Access?

Yes, wireless cameras can work without internet access. While internet access is typically required for remote monitoring and accessing footage via a mobile app or cloud storage, wireless cameras can still function locally and record footage to an onboard storage device, such as a microSD card or a local network video recorder (NVR). However, without internet access, you won't be able to view the live feed or access recordings remotely.

Can You Install Wired Security Camera by Yourself?

Yes, you can install a wired security camera by yourself, but it may require basic technical skills. Follow the provided instructions and use the included mounting hardware. If unsure, consider hiring a professional installer.

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