| Block Type | : | Light Block |
| Illumination Colour | : | Red |
| Series | : | Harmony XB4 |
| Illumination Type | : | LED |
| LED Included | : | Yes |
| Terminal Type | : | Screw Clamp |
| Body/Fixing Collar Included | : | Yes |
| Block Type | : | Light Block |
| Illumination Colour | : | Red |
| Series | : | Harmony XB4 |
| Illumination Type | : | LED |
| LED Included | : | Yes |
| Terminal Type | : | Screw Clamp |
| Body/Fixing Collar Included | : | Yes |