### Annotation and Color Picking Conveniently annotate the screen, a great helper for communicating with colleagues, simple and easy to use. - Drawing tools, shapes, ovals, lines, arrows, text, marker pen, freehand drawing. - Annotation and measurement, mosaic, blur, annotation notes, measure pixel distances, color picking, rich functions. - Step annotation, clear expression of ideas, customizable number content - Convenient operations, shortcuts, undo, save, open, copy to clipboard, easy and s