| 摘要 |
A laser pointer which includes a barrel having two opposite inside pins at one end for mounting and a hanging hole at an opposite end for hanging, a socket sliding in the barrel at one end to hold a battery set, the socket having two longitudinal sliding slots at two opposite side respectively coupled to the inside pins of the barrel, and a laser module holder shaped like a stepped tube fixedly connected to one end of the socket to hold a semiconductor laser module on the inside and a press button on the outside near the socket. The press button is exposed to the outside for operation when the inside pins of the barrel are moved to one end of each longitudinal sliding slot of the socket; the press button is received inside the barrel and concealed from sight when the inside pins of the barrel are moved to the opposite end of each longitudinal sliding slot of the socket.
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