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Security cameras, also known as closed-circuit television (CCTV) cameras, are devices used for surveillance and monitoring purposes. They are designed to capture video footage of a specific area or location to enhance security, deter criminal activity, and provide evidence in case of incidents.
Dome Cameras
Dome-shaped cameras are often used for indoor and outdoor surveillance. They provide a discreet appearance and are difficult to tamper with due to their design.
IP Cameras
Internet Protocol (IP) cameras are digital cameras that connect to a network, allowing users to access live video feeds remotely through the internet. They offer higher resolution and more advanced features compared to analog cameras.
Wireless Cameras
These cameras connect to a network via Wi-Fi, eliminating the need for physical cables. They are convenient for installations where running cables is challenging.
Analog Cameras
These traditional cameras record video in analog format and require a physical connection to a recording device like a digital video recorder (DVR). They are becoming less common as digital options are more prevalent.
Bullet Cameras
Bullet-shaped cameras are typically used for outdoor surveillance. They have a distinctive cylindrical shape and are easy to mount on walls or ceilings.
PTZ Cameras
Pan-Tilt-Zoom (PTZ) cameras can be remotely controlled to pan (move left or right), tilt (move up or down), and zoom in or out. They offer flexible coverage of large areas.
Cloud Storage vs. Local Storage
Footage can be stored either in the cloud or on local storage devices like DVRs or Network Video Recorders (NVRs). Cloud storage offers remote access and redundancy, while local storage provides greater control over data.
Remote Access
IP cameras can be accessed remotely via smartphones, tablets, or computers, allowing users to view live feeds and recorded footage from anywhere with an internet connection.
Night Vision
Many security cameras come with infrared (IR) LEDs to enable night vision. This feature allows the camera to capture footage in low-light or complete darkness.
Motion Detection
Cameras with motion detection can trigger recording or send alerts when motion is detected within their field of view.
Power Source
Cameras can be powered via AC power, Power over Ethernet (PoE), or battery-operated, depending on the model.
Resolution
Higher resolution cameras provide clearer and more detailed images. Common resolutions include 720p (HD), 1080p (Full HD), 2K, and 4K.
Two-Way Audio
Some cameras have built-in microphones and speakers, enabling two-way communication between the camera and the user.
Weather Resistance
Outdoor cameras should be weatherproof to withstand various environmental conditions.
Privacy Concerns
Be mindful of privacy laws and regulations when installing security cameras, especially in public areas or areas with an expectation of privacy.
Integration
Some security cameras can be integrated with home automation systems and smart devices for enhanced functionality and control.