This guide covers Uniview HD analog DVR/XVR recorders, explaining how they work, what features matter and how to choose the right option in Sri Lanka. They are best suited to sites with existing coaxial cabling such as shops, factories and homes, with attention to HD analog and hybrid recording, upgrade paths and storage. You will find explanations of XVR vs NVR, F / G3 / Q-series differences and channel counts, helping you compare models without relying on sales claims. Technologies such as ColorHunter night vision, Tri-Guard active deterrence, Smart Intrusion Prevention and PoE are explained where they apply to the range. CCTV World Technology, an authorised national distributor of Uniview (UNV), keeps each product page technically accurate. Whether you are upgrading a home system in Colombo, protecting a shop in Kandy or planning a site in Galle, start with the fundamentals below.