YH1 593nm puntatore laser giallo messa a fuoco fissa oro penna laser raggio laser

Wave Length： 593nm. Battery Direction： The Battery "+" Is Toward End of The Laser Pointer. 1 Yellow Laser Pointer. Flare Forms： Plaque-Forming - Circle. The laser IS bright! Just like the laser pointers you use to play with your pets, you should ALWAYS avoid direct eye exposure to laser beam.

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