This 405nm Violet-Blue Laser Pointer Pen delivers a distinct dot-shaped beam with a beautiful bluish-purple glow. With <5mW output power and powered by two AAA batteries (not included), this compact laser is perfect for scientific demonstrations, fluorescence excitation, jewelry inspection, or general laser module testing.
Specifications
Wavelength: 405nm ±10nm
Output Power: <5mW (Class IIIA)
Laser Shape: Dot Beam
Focus: Fixed Focus
Working Voltage: 3V (2 x AAA batteries, not included)
Dimensions: Diameter 14mm × Length ~165mm
Body Material: Aluminum Alloy
Color: Gunmetal or Black (varies by batch)
Battery Installation: Positive (+) end to tail, negative (-) to spring
Usage Tips
Remove batteries when not in use to prevent corrosion.
Avoid direct eye exposure – even at <5mW this laser is powerful.
Store in a dry and safe place away from children.
Applications
Classroom and laboratory demonstrations
Scientific fluorescence or UV excitation
Testing optical components or filters
General DIY or experimental projects
Package Includes
1 x 405nm <5mW Violet-Blue Laser Pointer Pen (batteries not included)