... 365nm, 375nm,385nm,405nm 4,security document detector High power 3w security document detector:security document detector Specications:1, Lamp ... for Nichia led4, Power Source:1*18650 4hours working time5, Aerospace-grade aluminum body 6,Switch:end- ... Non Destructive Testing, Readmission and patron control, outside applications, security applications, invisible inks, dye tracing, arts and crafts, ...