Always be prepared with this handy three-in-one red laser pointer, LED flashlight and keychain. Keep it with your keys or in your pocket.
Slide switch allows you to have either the red laser pointer or the LED white light permanently on until you slide it to an off position. This makes it great for any science experiments where you need your laser pointer to be on for the duration of the experiment (unlike most laser pointers that have only a momentary push-button switch.)
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