There is provided a multi-beam laser apparatus including: a laser beam source generating a beam; an incident lens disposed on a path of the beam; a beam splitter splitting the beam incident on the incident lens into a plurality of beamlets; and a beam path adjustor disposed on each of paths of the split beamlets to change the respective paths of the split beamlets. When no one is speaking, the apparatus shows the room view to the far-end. A master power source and a slave power source supply power to the load.