cdrh classification and labeling requirements for commercial laser products

Here is a table of the CDRH classification and labeling requirements for commercial laser products:

  Class   Max Power (mW)       Logotype             Warning Label Text
 -----------------------------------------------------------------------------
    I       <,= 0.39         None Required          None Required

   IIa    > 0.39 to 1.0      None Required          None Required
                         (Exposures < 1,000 s)

   II        <,= 1              CAUTION             Laser Radiation - Do not
                                                     stare into beam

  IIIa       <,= 5              CAUTION             Laser Radiation - Do Not
                         (Irradiance < 2.5 mW/cm2)    Stare into Beam or
                                                     View Directly with
                                                     Optical Instruments

                                CAUTION             Laser Radiation - Avoid
                        (Irradiance >,= 2.5 mW/cm2)  Direct Eye Exposure

  IIIb      <,= 500             DANGER              Laser Radiation - Avoid
                                                     Direct Exposure to Beam

   IV        > 500              DANGER              Laser Radiation - Avoid
                                                     Eye or Skin Exposure to
                                                     Beam