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Laser Pointer
510nm 515nm 520nm <5mW Green Laser Pointer Pen for Jewelry Testing

510nm 515nm 520nm <5mW Green Laser Pointer Pen for Jewelry Testing

$16.2 $28.03

Description510nm 515nm 520nm <5mW Green Laser Pointer Pen for Jewelry TestingSpecification Output: <5mW Wavelength: 515nm±10nm Working Voltage: 3V (2 pcs AAA batteries, not included) Working Current: 280mA Laser Shape: Dot Size: Dia.14mm Battery direction for installation: pole of the battery connects to the tail of the pen, – pole of the battery connects the spring of the inside module.

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