Zoom feature
With the help of this feature you can zoom in and zoom out of a whiteboard whenever you click (+) and (-) button as shown below.
Lock attendee
With the help of this feature, a presenter can prevent attendees from making annotations on the whiteboard. Simply press the lock button. By doing this you are locking out the attendees from making changes on the whiteboard.
Pointer icon
With the help of pointer icon your attendee will be able to view which annotation you are selecting to draw on the whiteboard. You can explain attendees about the various icons of whiteboard and their usage with the help of the pointer (please see screenshot)