| Materials Sourced From | United States |
| Country Of Origin | United States |
| Brand | Modulus |
| Intended Use/Discipline | Lab |
| Model | Diffcount 10-312 |
| MPN | Diffcount 10-312 |
| Country Of Manufacture | United States |
| Color | Beige |
| Type | Differential Counter |
The unit plays the key press sounds properly when a bottom row key is pressed. Classification: Used good condition key functions working.