7-W Blue NUBM44 NUBM47 445nm Blue Diode! Large Heatsink, Adjustable, Two-Cell.
New NUBM47 445nm Laser Diode. Custom 7-W+ 445nm Blue Laser Engraver Handheld Kit. CNC Lathed Polished Aluminum Heatsink. Gloss Black Anodized 2-Cell Host. 12mm Full Copper Laser Module. Actual output of over 7 watts with no optics.