HD cameras capture images and videos with a resolution of 1280 x 720 pixels (720p) or higher. This results in sharper, more detailed images and videos than standard definition (SD) cameras. 2 megapixel cameras are a type of HD camera that capture images and videos with a resolution of 1600 x 1200 pixels. This is a common resolution for many HD security cameras and webcams.
https://netpac.com.pk/2-megapixel/