To make a light or a blinking light of a lamp recognizable from a relatively wide periphery of a vehicle.

A side mirror cover is equipped with a mirror cover main body 22 and a side mirror lamp 23. The lamp 23 is equipped with a lamp housing 24 having a plurality of light emitting devices 27 and a translucent lamp cover 26 covering the light emitting devices 27. The housing 24 has a curved first corner part 24a which covers most of a through-hole 22b of the part which corresponds to the end of the vehicle in the width direction, and a first main part 24b for covering the remainder of the through-hole 22b. The lamp cover 26 has a second corner part 26a opposing the first corner part 24a, and a second main part 26b opposing the first main part 24b. The plurality of light emitting devices 27 comprises a first LED 27a illuminating toward the front of a vehicle, and a second LED 27b illuminating toward the side of a vehicle 10. A protruded part 26c opposing the second LED 27b is formed on the inside surface of the lamp cover 26, and the inside surface of the second corner part 26a is formed to have protrusions and recesses so that a light can be reflected on it.