| Diameter Ø (Probe/Ear Funnel) | 4.0 mm / 2.5 mm + 4.0mm |
| Focal Distance | 8 – 2 0 mm |
| Interfaces | USB |
| Power supply/consumption | USB / max. 0.5 A |
| Risc Class (according to medical law) | 1 |
| Protection Class (against electric shock) | class II |
| Operating Mode | Continuous operation |
| Protection Class | IP 65 |
| Temperature (Transport/operation) | -10° C to +70° C/ 0° C to 40° C |
| Relative Humidity | 0 % to 95 % |
| Air Pressure | 950 hpa to 1050hpa |


