450nm Blue Dot Laser Module – 100mW Adjustable Focus for Positioning & Marking

Precise. Powerful. Adjustable.

This compact 450nm blue dot laser module gives you a bright, focused spot you can dial in exactly where you need it. The adjustable focus lets you fine-tune the beam for close-up marking or longer-range positioning — making it a versatile tool for makers, engineers, and equipment builders alike.

• 450nm blue dot beam — vivid and easy to see
• 3-5VDC Voltage
• 100mW output power for strong, reliable performance
• Adjustable focus — customize beam size for your application
• Compact aluminum housing for easy integration and heat management
• 12x45mm Size
• Ideal for positioning, marking, and alignment tasks

Perfect for CNC machines, laser engravers, DIY builds, and precision positioning equipment.

⚠️ Safety note: Class IIIB laser. Use appropriate 450nm laser safety eyewear at all times.