510nm 515nm 520nm <5mW Green Laser Pointer Pen for Jewelry Testing
510nm 515nm 520nm <5mW Green Laser Pointer Pen for Jewelry Testing
$18.00
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Description
510nm 515nm 520nm <5mW Green Laser Pointer Pen for Jewelry Testing
Specification
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.
