If you're about to buy your first CCTV system and feeling lost, here's the full walkthrough I wish I'd had, from start to finish.

No jargon, just the steps in order.

Step 1: Survey and plan

Walk your property and mark every zone you want covered. Note which are indoor vs outdoor and which need fine detail (gates, tills) vs general coverage. This map drives every other decision.

Step 2: Choose camera types and resolution

Weatherproof cameras for outdoors, standard for indoors. 2MP for general coverage, 4MP+ only where detail matters. Don't over-buy resolution, because it costs storage.

Step 3: Pick the recorder and storage

Match your recorder (DVR for analog, NVR for IP) to your cameras, and size storage for the retention you need (2 to 4 weeks minimum). This is the part beginners forget.

Step 4: Plan power, cabling, and remote access

Sort out cable runs, a backup power consideration for outages, and the mobile app for remote viewing before installation day.

Step 5: Buy from a reliable, well-stocked range

With your plan ready, choosing the product is the easy part. When you're ready to buy dahua camera systems, the range is organized by type so you can match each item to the plan you built above.

Follow these five steps and you'll avoid every common first-buyer mistake. Stuck on any step? Post your property details and I'll help you build the spec.