When you see things like 4K, 2K, 1080p. These numbers are referring to the amount of pixel lines within the image being displayed. Pixels are little dots of color that collectively make up an image. So, the more pixels you have in a tighter space, the clearer the image will be. Our 4K systems are able to record in 4K while also being displayed live in high definition on a monitor. This gives you the best quality image possible in today's market.