Alien’s mechanic & bio crafts have same abilities

(this sighting reported to MUFON, Case Number: 32261 )
Filter(glowing edges) has been applied to original frame

On the night of 17 Oct 2005, my video(15 frames) showed a flexible capsule shape UFO shoot a large light beam downward to alighted a team 8(?)of small visitors on my roof( see the attached picture). This peculiar beam light does not looked like the ordinary parallel laser beam. It’s diameter from large to small (the large side is on the UFO), could this light beam more concentrated than other?

The light beam discharge form Sphere or other shape of biological UFO, it has same capability with the light beam which from the flying saucer. They could be visible or invisible. These conclusions are basing on those pictures that I taken from year 2005 and 2007’s encounters. I did not feel any heat from those beam lights. The Light beam from UFO could be An illuminator for alien‘s search and indicator light; Anti-gravitation for Levitate objects; Warning sign to those ufos whom landing on the earth illegally; An weapon for several types of simple form’s space life.