CCTV Installation in Coimbatore Buying Guide

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A CCTV system is one of the most common things Kovai families and shop owners buy for peace of mind - and one of the easiest to get wrong. Cameras that show blurred faces at night, a hard disk that fills up in three days, or an app that stopped working after the installer left are common complaints. This guide explains the choices in plain words and gives you a checklist for the installer.

Start With What You Want to See

Before comparing brands or prices, decide what the system must do. Walk around the property and note:

• Entry points: gates, doors, shutters, back entrances, terrace access.
• Faces or just movement? A camera covering a wide yard shows that someone came in; a camera at the door at head height identifies who.
• Day and night: most break-ins and incidents happen at night, so night image quality matters most.
• Who watches it: will someone watch live, or will you only check the recording after an incident?

A good installer will do this walk-around with you before quoting. One who quotes a "4-camera package" over the phone without seeing the site is selling a box, not a solution.

Camera Types

Type	Best for	Notes
Dome	Indoors, shop counters, porches	Discreet, harder to knock out of position
Bullet	Gates, compound walls, car parks	Longer reach, visible deterrent
Wi-Fi / smart camera	A single room or small shop	Easy to set up; depends on your Wi-Fi
PTZ (pan-tilt-zoom)	Large campuses, factories	Costly; needs someone to control it

Resolution: 2 MP (1080p) is the usual minimum today; 4 MP or 5 MP helps for faces and number plates at a distance. More megapixels mean more storage.

Night vision: most cameras use infrared (IR) and show black-and-white at night. "Colour night" cameras use a small white light or better sensors. Ask to see a night sample from the exact model, not a brochure picture.

Outdoor rating: outdoor cameras should carry an IP66 or IP67 weather rating to survive Kovai's monsoon showers and summer heat.

DVR or NVR?

• Analog HD with a DVR: cameras connect by coaxial cable to a digital video recorder. Simple, widely serviced, often cheaper.
• IP cameras with an NVR: cameras connect by network (Cat6) cable to a network video recorder, usually powered through the same cable (PoE). Sharper images, easier to add cameras later, and better for larger sites.

For a new home or office, IP is usually the better long-term choice. For adding a few cameras to an older analog system, staying with a DVR may make sense.

Storage: How Many Days?

Recording space depends on the number of cameras, resolution, compression (H.265 uses less space than H.264) and whether the cameras record all the time or only on motion. Ask the installer to:

• tell you how many days of recording your hard disk will hold with your settings;
• use a surveillance-grade hard disk, not a desktop disk;
• aim for at least 15-30 days, so you still have footage when you notice a problem a week later.

Power and Placement

• Power backup: connect the recorder and cameras to an inverter or UPS. A system that goes dark in a power cut is not doing its job.
• Recorder location: keep the DVR/NVR somewhere hidden or locked. If a thief can walk off with it, the recording goes too.
• Height and angle: mount cameras high enough to be hard to tamper with, but low enough to see faces. Avoid pointing straight into the sun or into headlights.
• Cables: outdoor cables should run in conduit, not hang loose on the wall. Our guide on finding reliable electricians in Coimbatore helps if new power points are needed.

Mobile Viewing and Security

Almost every system now offers viewing on a phone app. Protect it:

• Change the default password on the recorder and cameras on day one - and do not let the installer keep it.
• Keep the recorder's firmware updated.
• Use the brand's official app, and remove access for anyone who no longer needs it.

Privacy and the Law

Point cameras at your own property. Avoid covering a neighbour's windows, doors or private areas. Shops and offices should put up a visible notice that CCTV is in use. Offices that record staff or customers may also have obligations under India's data protection law; if you are unsure, ask a lawyer. Never place cameras in toilets, changing rooms or bedrooms of staff.

Checklist for the Installer

1. Site visit before the quote.
2. Camera model numbers, resolution and night sample.
3. Recorder type, number of channels (room to add cameras) and hard disk size in terabytes.
4. Cable type and conduit for outdoor runs.
5. Power backup arrangement.
6. Expected recording days with your settings.
7. Mobile app setup and a short demo for the family or staff.
8. Warranty on cameras, recorder and hard disk - and who handles it.
9. Annual maintenance (AMC) terms: cleaning lenses, checking recording, replacing faulty parts.
10. A written invoice listing every item.

Mistakes to Avoid

• Buying the most cameras for the lowest price and getting unreadable images.
• Not checking the recording until something happens - check playback once a month.
• Leaving spider webs and dust on outdoor lenses; they ruin night images.
• No power backup.
• Default passwords.

Next Steps

Draw a simple sketch of your property with the gates and doors marked, decide what you need to see, and ask two installers for a site visit and written quote. If you are fitting out a new home or office, plan camera points along with the wiring - see our guide to choosing an interior designer. You can find CCTV dealers and installers in the Kovai Yellow Pages directory.

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Frequently Asked Questions (FAQ)

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