635nm 638nm Orange Red 5mW Laser Pointer Pen Class IIIr Safety Certificated Product Description 635nm 637nm 638nm 5mW Orange Red Laser Pointer Pen Laser Class IIIr Safety Certificated Specification Output: <5mW Wavelength: 515nm±10nm Working Voltage: 3V (2 pcs
635nm 638nm Orange Red 5mW Laser Pointer Pen Class IIIr Safety Certificated
$6.20
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Related categories
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Description
635nm 638nm Orange Red 5mW Laser Pointer Pen Class IIIr Safety Certificated
Product Description
635nm 637nm 638nm 5mW Orange Red Laser Pointer Pen Laser Class IIIr Safety Certificated
Specification
Output: <5mW
Wavelength: 515nm±10nm
Working Voltage: 3V (2 pcs AAA batteries, not included)
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.
Note:
1. Class IIIr Safety Certificated
2. Some people may think orange is exactly the same with the color of orange. It is incorrect. compare with 638nm and 660nm, 638nm is brighter when they are in the same output. 638nm is closer with the yellow color so that we call it orange/red. it cannot be exactly the color like a orange or sun.
