| Parameters/Dimensions | Value |
| Penetration | 20µm |
| Stimulating current | 15.8µA |
| Radius of central electrode (r) | 15µm |
| Spacing bet. central & donut electrodes | 20µm |
| Inner radius of donut electrode (r1) | 35µm |
| Outer radius of donut electrode (r2) | 38µm |
| Thickness of electrodes | 2µm |
| Mini. spacing between two probes | 150µm |
| Resolution | 150µm×150µm |
| Material | IrOx |