High Power Blue Laser Module,5..5W 450nm Engraving Machine cutting wood ..
High Power Blue Laser Module,5..5W 450nm Engraving Machine cutting wood TTL Laser Lighting DIY 5500mw.. Item Description: Name: Focusable Blue Laser Module with Free Glasses Power: 5500mW/5..5W Wavelength: 445nm-450nm Emitting Color: Blue Focusable: Yes, Focus 4A TTL: Yes, 0-5V input (0V OFF / 5V ON)