Patent attributes
A portable lighting device includes a body including a base, a cover movably coupled to the base, and an annular rim supported by the cover. The annular rim defines an opening. The portable lighting device also includes a lighting unit supported by the body. The lighting unit includes a light emitting diode. The portable lighting device further includes a lens coupled to the base of the body. The lens has a lower portion opposite from the body. The lower portion has a similar shape and size as the opening defined by the annular rim. The lower portion configured to be received by a body of another portable lighting device.