CCTV Cameras & Recording Guides
How CCTV works, which cameras and recorders to choose, storage, night vision, remote viewing and maintenance.
Wireless Bridges for CCTV: Linking Gates and Far Buildings
When a camera or building is too far or too awkward to cable, a point-to-point wireless bridge can carry IP camera video. How bridges work, distances, line of sight, bandwidth, power, weather and when cable or fibre is still the better choice.
Read the guide →3 min readWDR Explained: Cameras Facing Bright Gates, Doors and Windows
Why cameras facing a bright gate, glass door or window show dark silhouettes, what WDR (wide dynamic range) does, true WDR vs digital WDR, the dB figures, and placement tricks that fix backlight problems.
Read the guide →3 min readVideo Management Software (VMS): When You Need It
What video management software does beyond an NVR — many sites and recorders on one screen, video walls, mixed brands, user permissions, alarms, maps and integrations — and when a business actually needs one.
Read the guide →3 min readSharing CCTV Access With Family, Staff and Committees Safely
How to give other people access to your CCTV without handing over the admin password: user accounts and permissions on the NVR, app sharing, who should see live view vs playback, removing access when people leave, and keeping a record.
Read the guide →3 min readQuestions to Ask Before Hiring a CCTV Installer
The questions that separate a good CCTV installer from a box-mover: survey, exact models and certification, cabling standards, storage and retention, cyber security, warranty, AMC, handover and support — plus red flags in quotes.
Read the guide →3 min readPTZ Cameras: When Are They Worth It and How to Choose One
What PTZ (pan-tilt-zoom) and speed dome cameras do, where they earn their cost — campuses, parking, factory yards, gated communities — their blind-spot problem, auto-tracking, optical zoom, and how to choose and position one.
Read the guide →3 min readMonthly CCTV Checks You Can Do Yourself (and How to Confirm It’s Recording)
A 15-minute monthly routine to make sure your CCTV is actually recording: checking every camera live and in playback, hard disk health, retention days, date and time, night views, alerts and remote access — plus what to do if something fails.
Read the guide →3 min readHow Long Does CCTV Installation Take?
Realistic timelines for CCTV installation in homes, shops, offices, apartments and factories — from survey and quote to cabling, mounting, configuration and handover — and what speeds a job up or slows it down.
Read the guide →3 min readHow Long Do CCTV Cameras Last? Lifespan of Cameras, NVRs and Disks
Realistic lifespans for CCTV cameras, NVRs, hard disks, PoE switches and UPS batteries in Indian conditions, what shortens them — heat, monsoon, surges, dust — and when to repair, replace or upgrade.
Read the guide →3 min readForgot Your NVR or CCTV Password? What to Do
How to regain access to an NVR or IP camera when the password is forgotten: app-based reset, reserved email and security questions, GUID files, brand support with proof of ownership, what a factory reset does, and how to avoid getting locked out again.
Read the guide →3 min readFisheye, 360°, Panoramic and Dual-Lens Cameras Explained
How fisheye (360°), panoramic (180°) and dual-lens cameras work, where one of them can replace several ordinary cameras — shop floors, lobbies, parking, gates — dewarping, resolution needs and their limits for identifying faces.
Read the guide →3 min readChoosing an NVR: How Many Cameras Can One NVR Handle?
How to choose a network video recorder for 4, 8, 16, 32 or more IP cameras: channels, incoming bandwidth, decoding capacity, hard disk bays, built-in PoE, AI features, RAID and outputs — with sizing examples.
Read the guide →3 min readChoosing a PoE Switch for CCTV: Ports, Power Budget and Brands
How to choose a PoE switch for IP cameras: PoE standards and per-port power, total power budget, uplink speed, managed vs unmanaged, long-range modes, surge protection, and the brands commonly used in India.
Read the guide →3 min readChoosing a CCTV Monitor: Size, Resolution and TV vs Monitor
How to choose a screen for viewing CCTV: size by number of cameras and viewing distance, 1080p vs 4K, HDMI connections, 24/7-rated monitors vs TVs, video walls for control rooms, and placement tips for security cabins and shops.
Read the guide →3 min readCCTV Warranty in India: What Is and Isn’t Covered
How CCTV warranties work in India — camera, NVR and hard disk warranties from brands, the installer’s workmanship warranty, typical exclusions like lightning and water, how to claim, and how AMC fits in after warranty ends.
Read the guide →3 min readWhat Happens During a CCTV Site Survey
What a professional CCTV site survey covers — risks and goals, camera positions and fields of view, lighting, cable routes, recorder location, power, network and storage — what to prepare, and what you should get afterwards.
Read the guide →3 min readCCTV Signboards: Should You Put Them Up?
Why CCTV warning signs are worth putting up — deterrence, transparency and data protection — what the sign should say under the DPDP Act, where to place them, and whether dummy cameras and signs work.
Read the guide →3 min readCCTV Remote Viewing Not Working? Step-by-Step Fixes
Why your CCTV app shows the NVR or cameras offline, or live view keeps buffering — internet, P2P/cloud settings, router changes, passwords, app updates, upload speed and stream settings — with a step-by-step troubleshooting order.
Read the guide →3 min readCCTV Poles, Brackets and Junction Boxes: Mounting Done Right
The mounting hardware that decides whether outdoor cameras stay aimed and dry: wall, corner and pole brackets, junction boxes, poles for compounds and gates, heights, foundations, cable entry and sealing, and what to ask your installer.
Read the guide →3 min readCCTV Motion Detection and Phone Alerts: Settings That Work
How to set up CCTV motion detection and phone alerts that are useful rather than annoying: human and vehicle detection, zones, sensitivity, schedules, notification settings in the app, and fixing too many or missing alerts.
Read the guide →4 min readCCTV in Lifts and Elevators: Cameras, Cabling and Approvals
How to add a camera inside a lift car in an apartment, office or hospital: choosing the camera, getting the signal out through the travelling cable or a lift wireless bridge, power, lift-company permission, privacy and what the footage is used for.
Read the guide →3 min readCCTV Glossary: Common Terms Explained in Plain English
A plain-English glossary of CCTV terms you will see in quotes and spec sheets — IP, NVR, PoE, H.265, WDR, IR, ONVIF, bitrate, FPS, lens, IP67, IK10, VMS, ANPR and more — with links to detailed guides.
Read the guide →3 min readCCTV for Large Campuses: Fibre, Multiple NVRs and Control Rooms
How to design CCTV for campuses, large factories, colleges, hospitals and gated communities: fibre backbones between buildings, distributed NVRs or central recording, VMS and control rooms, power backup, and phased expansion.
Read the guide →3 min readCCTV for Commercial Buildings and Complexes
Planning CCTV for a multi-tenant commercial building or shopping complex: what the building management covers versus each tenant, entrances, lobbies, lifts, staircases, parking and service areas, a central control room, sharing footage with tenants and police, and maintenance.
Read the guide →3 min readCCTV for Basement and Covered Parking
Planning cameras for apartment, office and mall basements: ramps, driveways, lift lobbies and slot rows, low ceilings and pillars, lighting, vehicle damage disputes, how many cameras, cabling and how long to keep the footage.
Read the guide →3 min readAudio Recording on CCTV: What to Know Before You Turn It On
How CCTV audio recording works, where it helps — cash counters, reception, disputes, two-way talk — the privacy and legal questions in India, and practical setup advice on microphones, placement and storage.
Read the guide →4 min readUpgrading an Old DVR CCTV System to IP: Cost, Cabling and Steps
When an old analog DVR system is worth replacing, what changes when you move to IP cameras, whether existing cables can be reused, and how to upgrade in stages without losing coverage.
Read the guide →3 min readWi-Fi CCTV vs Wired CCTV: Which Should You Install?
How Wi-Fi cameras and wired CCTV systems compare on reliability, recording, power, security and cost — and when a mix of both makes sense.
Read the guide →3 min readWhy Has My CCTV Stopped Recording? 9 Common Causes and Fixes
The usual reasons a DVR or NVR stops recording — hard disk, settings, power, cameras, time — how to check each one yourself, and when to call for service.
Read the guide →3 min readWhy Your CCTV Is Blurry at Night — and How to Fix It
The common reasons CCTV footage turns blurry, washed out or smeared at night, and the fixes — from cleaning and IR glare to shutter speed and lighting.
Read the guide →3 min readVandal-Proof (IK10) CCTV Cameras: When You Need Them
What the IK10 rating means, where vandal-resistant cameras are worth it, and simple mounting choices that stop cameras being knocked, turned or covered.
Read the guide →3 min readPoE Explained: Power over Ethernet for CCTV Cameras
How one network cable powers and connects an IP camera, the PoE standards and power budgets that matter, cable distance limits, and how to avoid the common mistakes.
Read the guide →3 min readLightning and Surge Protection for CCTV
Why CCTV cameras, PoE switches and NVRs fail after thunderstorms, and the surge protectors, earthing and cabling choices that prevent it.
Read the guide →3 min readIP66 and IP67 Ratings for Outdoor CCTV Cameras
What IP66 and IP67 mean on a CCTV camera, which rating you need for Bangalore's rain and dust, and why the cable joint matters as much as the camera.
Read the guide →3 min readHow to View CCTV on Your Phone: Setup, Apps and Fixes
What you need to watch your cameras on a phone, how the brand apps connect, keeping it secure, and fixes for the most common remote-viewing problems.
Read the guide →3 min readHow to Export CCTV Footage for the Police or Insurance
Step-by-step: how to save CCTV footage from your NVR before it is overwritten, what format to use, and what the police and insurers usually ask for in India.
Read the guide →3 min readHow Many Days of CCTV Recording Do You Need?
Typical recording periods for homes, shops, offices, apartments and factories, what decides storage size, and how to get more days from the same hard disk.
Read the guide →3 min readHow Far Can CCTV Cable Run? Cat6, PoE Extenders and Fibre
The 100-metre rule for IP camera cable, what to do when cameras are further away, and how to choose between PoE extenders, extra switches and fibre.
Read the guide →3 min readH.265 vs H.264: CCTV Compression Explained
What H.264, H.265 and smart codecs like H.265+ actually do, how much storage they save, and the settings that matter for CCTV recording.
Read the guide →3 min readDVR vs NVR: What Is the Difference and Which Do You Need?
DVRs work with HD analog cameras over coaxial cable; NVRs work with IP cameras over network cable. How they compare on picture, cabling, cost and future upgrades.
Read the guide →3 min readDome vs Bullet vs Turret CCTV Cameras: Which Shape Is Best?
How the three main camera shapes differ in looks, night vision, reach, vandal resistance and maintenance — and where each one belongs on a home or business site.
Read the guide →3 min readColour Night Vision vs Infrared CCTV: Which Works Better at Night?
How infrared, full-colour and smart dual-light cameras see in the dark, what each one shows at night, and how to choose for gates, compounds and homes.
Read the guide →3 min readCCTV Lens Sizes Explained: 2.8mm vs 4mm vs 6mm vs Varifocal
What the mm number on a CCTV camera means, the field of view and useful distance of common lenses, and how to pick the right lens for gates, rooms, aisles and parking.
Read the guide →3 min readCCTV Hard Disk Size: How to Work It Out
A simple formula to work out how many terabytes your CCTV recorder needs — based on cameras, bitrate and how many days of footage you want to keep.
Read the guide →3 min readKeeping CCTV Recording During Power Cuts: Inverter and UPS Guide
What to back up so cameras keep recording through power cuts, how to estimate the load, inverter vs UPS, and protecting the system from surges and voltage drops.
Read the guide →3 min read2MP vs 4MP vs 8MP CCTV Cameras: Which Resolution Do You Need?
What megapixels really change in a CCTV picture, how far each resolution can identify a face, the storage cost of going higher, and the right choice for gates, rooms, shops and factory yards.
Read the guide →3 min readCCTV Camera Placement: 10 Rules for Useful Footage
Where to put cameras so they actually identify people — entry points, height, angles, backlight, blind spots and privacy — from the mistakes we fix most often.
Read the guide →3 min readIP vs HD (Analog) CCTV Cameras: Which Should You Choose?
The real differences between IP and HD analog CCTV — image quality, cabling, cost and growth — and which one suits homes, shops, offices, apartments and factories.
Read the guide →3 min readCCTV AMC Checklist: What a Good Maintenance Contract Should Cover
What to look for in a CCTV annual maintenance contract — preventive visits, recording and hard-disk checks, breakdown support, reports and the fine print.
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