Large rows of lights are traditional lighting in China, usually consisting of multiple light bulbs, which are shaped like strips or rectangles and can be hung on the ceiling. Large rows of lights are mainly used for lighting and decoration.

Hair restorer is a device to promote hair growth, usually using laser or phototherapy technology. Hair growth instruments are generally hand-held, which can directly irradiate the scalp and stimulate the growth of hair follicles.

Although both use lighting technology, the large row of lamps are mainly used for lighting and decoration, while the hair growth instrument is used to promote hair growth. Their functions and uses are different.