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Video Surveillance
Video Surveillance
Q1: What is a video surveillance system?
A video surveillance system uses cameras to monitor and record activities in homes, offices, or public areas for security, safety, and operational monitoring.
Q2: What are the main types of surveillance cameras?
Analog Cameras – Traditional CCTV systems using coaxial cables.
IP Cameras – Network-based cameras offering HD/4K video and remote access.
Dome Cameras – Compact design, ideal for indoor use.
Bullet Cameras – Long-range viewing, perfect for outdoor areas.
PTZ Cameras – Allow Pan, Tilt, and Zoom control for wide-area monitoring.
Q3: What is PoE and why is it useful in surveillance systems?
PoE (Power over Ethernet) allows cameras to receive both power and data through a single cable, reducing installation complexity and costs.
Q4: How much storage do I need for video recording?
Storage depends on camera resolution, number of cameras, recording duration, and compression format (H.264/H.265). For example, 4 Full HD cameras recording 24/7 may need 2–4TB of storage for 30 days.
Q5: Can I view my surveillance cameras remotely?
Yes. With IP cameras or NVRs connected to the internet, you can monitor footage in real-time through mobile apps or web browsers.
Q6: What is motion detection in CCTV cameras?
Motion detection allows cameras to record only when movement is detected, saving storage and making it easier to review footage.
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