| 摘要 |
A three-in-one handheld lighting device includes a casing unit, a torch unit, a whistle unit, and a thermometer unit. The torch unit includes actuating and press pieces, a lamp member having first and second leg terminals, and a battery unit having positive and negative terminals. The torch unit is in an off state when the actuating piece is disposed at a first position. The torch unit is in an on state when the actuating piece is moved to a second position, wherein the press piece pushes the first leg terminal to contact electrically the negative terminal such that the positive terminal is in electrical contact with the second leg terminal.
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