What makes a good presenter

As a good presenter,you must have this:
-give the speech with clearly and loudly,makesure the audience can get the point what you just say it.
-you must prepare you speech before to present,know the point what you wants to present and better is no read the paper.
-when giving a speech,makesure you are no show your back face to the audience,only you face will face to the audience.
-body language,move the hand or move the body when deliver messageto audience.Do not just stand straightly in front the audience.
-confidently,when start the presentation,you must believe yourself,believe that you can give a successful presentation.If no,your presentation will comes some mistakes.
- eyes contact,your eye must contact to the audience,don't looking to the floor and must looking to the audience.
-continue the speech although you are do some mistakes.Don't panic and show the impression that you are doing mistake.
-your presentation must no be too long,because the audience will lose the attention to your speech when they are sitting too long.
-put some video or pictures in your presentation slide.The audiences are more put attention and interested to it.
-makesure you know the place and condition to do the presnetation,what kind the audience will be there.Always have plan B if something accident occur.