XDGFX

The second photo was taken from here - http://topcctvcameras.co.uk/sannce-cctv-review/ It looks like the same (or very similar) system for a similar price, so maybe the image has been incorrectly sourced?

I have installed a SANNCE CCTV system (link here http://www.amazon.co.uk/gp/product/B00K4WP5LI?psc=1&redirect=true&ref_=oh_aui_search_detailpage) however the quality is very low, as seen below I had assumed it would be low quality, however this is particularly bad. I also found supposedly example footage (from an independent reviewer) which looks like the following Is this a problem with the cameras, the DVR, or both? What would be the most cost effective way of improving the image quality?