"MULTI-ANGLE,FIVE GLOSSMETER GEOMETRIES IN A SINGLE SENSING UNIT,20 DEG,45 DEG,60 DEG,75 DEG,85 DEG,SENSING UNIT INDEPENDENTLY MOVEABLE WITHIN 6 FT OF MEASUREMENT UNIT,SWITCH FOR ACTIVATING DESIRED GOMETRY,PRECISION,PORM 2 GLOSS UNITS,SUPPLIED W/BLACK GLASS STANDARD FOR CALIBRATING AT TOP OF SCALE,FIVE WHITE CERAMIC TILES FOR CALIBRATING INTERMEDIATE REGION OF SCALE,OPERATING POWER,AC,120V,60 HZ,SINGLE PHASE"