| 摘要 |
A headlight having a high beam and a low beam is disclosed. The headlight including: a first light source unit (110); a first optical unit (120); a second optical unit (130); a first light output unit (140); a second light output unit (150); and a controller (160) configured to adjust a light quantity irradiated from the light source in response to a low beam mode or a high beam mode, and to control a beam output of the first light output unit (140) and the second light output unit (150) by allowing the first optical unit (120) to be arranged selectively on a light path between the light source unit (110) and the second optical unit (130). |
