| Accessory group | Optical data transmission |
| Accessory family | ISD400 |
| Weight | Approx. 800 g |
| Housing material | AlSi12 |
| Enclosure rating | IP65 |
| Ambient operating temperature | –20 °C ... +55 °C |
| Permissible relative humidity | 90 %, Non-condensing |
| Transmission range | ≥ 0.2 m |
| Light source | Laser, red (660 nm) |
| Laser class | 1M (IEC 60825-1:2014, EN 60825-1:2014) |
| Typ. light spot size (distance) | 1.75 m (at 100 m) |
| Aperture angle | Sender |
