Dahua's NVR4000-4KS2 is the first Lite series NVRs which can support 4K and H.265. And it has the most reasonable price and best quality. This Lite NVR provides up to 8MP resolution. For applications where details are critical for identification it provides a powerful image performace with up to 4K resolution. Additionally the NVR features a mouse shortcut operation menu remote management and control centre storage edge storage and back up storage.