NUBM44 / NUBM47 Laser Diode – 7W+ 450nm – 12mm Copper Module – 3-E Lens – Blue
Wavelength: 450nm bright blue. Leads: Pre soldered positive and negative wires with connectors You must know what you are doing before hooking these up. A proper CONSTANT CURRENT laser diode driver is required to drive the diode.

