for the main safety purpose of assisting the blind or nearly blind and the hard of hearing individuals in this world , this invention has been created . an illuminated doorknob and keyhole brightens when in motion . the illumination level is dependent both on the ambient light level and on the motion of the doorknob . specifically , the ambient light level determines a static brightness when the doorknob is not in motion , and the doorknob illumination brightens above the static brightness when turned . various embodiments of the invention may provide an illuminated doorknob , door frame , door handle , door keyhole , door lock , music accent or light pulsation with or without color , when doorknob is moved , or a combination thereof on an exterior door , or an illuminated doorknob on an interior door . a remote control device containing a memory chip will control light and music when activated .