An indicator light (10) is provided. The indicator light (10) includes a body section (11), a cover section (12) detachably mounted on the body section (11), a printed circuit board (14) received in the body section (11) and a lamp (13) electrically connected to the printed circuit board (14). The lamp (13) faces the cover section (12) guiding lights from the lamp (13) to the body section (11).