Indicators, 1807 series
| Manufacturer | Marquardt |
| Type of light indictaor | with neon lamp |
| Kind | flat |
| Body material | plastic |
| Mounting | snap-fastener |
| Panel thickness | 0.75...3mm |
| Uoper. | 230V AC |
| Cutout | 19.2x12.9mm |
| Body colour | black |
| Leads | connectors |
| Leads dimensions | 4.8x0.8mm |