Penna puntatore laser blu messa a fuoco regolabile impermeabile 450nm luce fascio visibile

Wave length：450nm. Model No: DS6-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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