Manufacturer Part Number: 854-1875|Mount Type|Number Of Magnification Levels|Maximum Magnification|4x; 4xFocal Distance|Lens Shape|RoundFolding|NoLens Material|GlassLens Diameter|3 in; 76.20 mmLens Width|Diopter|Field Of View|Light Source Included|NoMagnifier Inset|NoGraduation|Frame Material|Batteries Included|Number Of Batteries|Battery Size|Battery Chemistry|Overall Height|Overall Length|Standards|Lens Length|Number Of Lenses|1UNSPSC Code|41111713