Penna puntatore laser blu 450nm impermeabile messa a fuoco regolabile 450B-1000 raggio visivo

Wave length：450nm. Model No: DS5-B(Blue Laser Pointer). 1 Blue Laser Pointer. This laser pointer will cut through tape, burn matches, light cigarettes, pop balloons and firecrackers very easy! Try not to remove the front focusing head to prevent dust from adhering to the chip,When the laser is turned on the laser will burn out.

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