A small laser module capable of delivering a visible green beam Used in the manufacture of presenter pointers laser pens tools & lighting effects 532n M wave length Working voltage is 3 Vdc Less than 160m A current consumption 0.3-0.85m W power output BCAUTIONB This device generates a visible beam of green light that will not burn or cut. However it is moderately hazardous & should not be viewed by the naked eye on the same axis as the beam.