MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
Counts particles from sizes 0.3, 0.5, 1.0, 2.0 or 5.0 microns; 6v ni-mh self-contained battery pack, 8 hrs. Of typical intermittent operation; ac to dc module, 100-240vac to 9vdc at 350ma typical; rs-232 interface; 16 character lcd display; 2-button membrane keyboard; operating temperature 0 to 50 degrees c; laser diode light source, 30mw, 780nm