India, Aug. 26 -- Buying a CCTV camera for home security sounds simple until you start deciding how many you actually need. One camera can cover the main door, but what about the balcony? Do you need another one inside the living room? And should every room have its own camera?

For a typical 2BHK apartment, you usually do not need a camera in every corner. Two to four cameras are enough for most homes, with three being a practical middle ground. But the right number depends more on your home's layout and entry points than the number of bedrooms.

This three-camera setup covers the areas that matter without requiring a camera in every room. It also gives you a good starting point if you are setting up CCTV for the first time.

The main en...