450-500mW Violet Laser Module With Holder For Mini Engraving MachineDescription:Heatsink Materialaircraft aluminumOutput Power450-500mwWavelength405nm(violet laser)VoltageDC 5VCurrent700mABeam Shapedot(focusable)Life Time6000 hoursWorking Temperature-40-75℃Cable Length1.1m(43.31")Feature:450-500mW focusable violet laser moduleAircraft aluminum heatsink with cooling fan ensure long working time continuouslyEquipped with constant-current driver board ensure stable outputoptical power,suitable forindustrialengraving machineequipmentusagePackage included:1X 500mW Focusable Violet Laser Module evrika33 Store