Safety Glasses Protect Your Eyes From Green Blue Laser Pointer Pen 405nm 445nm 450nm 532 nm Laser safety glasses/goggles/laser protective glasses for 532nm green lasers, 405nm violet purple lasers, and 445nm-450nm blue lasers. Laser protection...

Note Avoid Children Contact and Use. Avoid directing eye exposure to laser beam. Please don't keep open for a long time, otherwise easy to damage the light bulb Laser range: 1000-8000 metersWave Length Range: 405nm-473nm?Guarantee?Please make...

445nm 450nm 4000mW 4W Blue Dot Laser Module 12V for DIY CNC Cutter Engraving Engraver Specifications: 1.Wavelength:445nm~450nm (Blue laser module) 2.Output Power:4000mW /4W 3.Adjust the focus:Yes(By fingers),3A; 6.Cooling mode:Heatsink and Fan...