Modified structure of projector

A modified structure of a projector, comprising:

• a projector body with a remote control receiver built therein;
• a first activating device installed on said projector body, said first activating device being capable of rotating on said projector body;
• at least a camera lens set installed on said first activating device, said camera lens set being capable of moving on said first activating device to increase or decrease the magnification ratio of image, said camera lens set having a second activating device, said second activating device being used to adjust the position of a camera lens for fine tuning of focus so that a photo detection component can pick an image through said camera lens;
• and
• a remote control host machine, said remote control host machine being maneuvered to let said remote control receiver receive a signal emitted from said remote control host machine so that said remote control receiver can control said projector for automatic adjustment and setting.