A high definition camera can monitor a much wider area than conventional security camera. No matter you shopping online or go to local electronics stores, you will realize that all TVs, Camcorders, Digital Cameras only support 1080p HD format. That means if you want to put these equipment to work with your video surveillance system, you ought to select system supported with 1080p resolution.
As we realize that 4K is the current trend, we expect that 4K UHD video surveillance system will become popular in the future. Depending on your specific requirement, you can choose different HD formats network cameras.