Guides
Plain answers to help you choose CCTV, water-level controllers and other systems before you spend money.
How to Choose a CCTV Camera System for Your Home or Shop
How many CCTV cameras you need, 2MP vs 4MP, night vision, DVR vs NVR, storage days and phone viewing. A plain guide from a Tenali CCTV installer.
Read the guide →HD (Analog) vs IP CCTV Cameras: Which Should You Choose?
HD analog (DVR) vs IP (NVR) CCTV cameras compared: picture quality, cabling, PoE, cost, expansion and which suits homes, shops, offices and apartments.
Read the guide →Automatic Water-Level Controller: How It Works and Which One to Buy
How an automatic water-level controller switches your pump, float vs sensor vs wireless types, sump dry-run protection, and what to check before installing.
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