| Brand | Unbranded |
| Sport Type | Surveying |
| Battery Description | Aa (type Not Specified) |
| Sport | Surveying |
| Unit Count | 1 Count |
| Measuring Range | 45-82mm In 0.5mm Steps |
| Included Components | As Show |
| Color | White |
| Material Type | Plastic |
| Material | Plastic |
| Item Weight | 1.4 Pounds |
Parallax is not induced by this system. It can also be used in the production and sales of multifocal progressive lenses.