An attachable LED lamp according to the present invention includes a body which includes a combination space which mounts a battery on the lower side thereof, an illumination control unit which opens or closes the upper side of the body by continuously connecting or overlapping covers with an arc shape according to a rotation state by rotationally and successively installing a plurality of covers on the upper side of the body; an LED lamp which is installed on the upper side of the body and emits light through power supplied from the battery; and a bonding part which is detachably combined with the lower side of the body, selectively seals the combination space, and bonds the body to a bonding object at the same time.
