| Part | Description |
| BD-E521RD | Red, anode, dual digit LED display |
| BD-F521RD | Red, cathode, dual digit LED display |
| BF-A521RD | Red, anode, overflow single digit LED display |
| BF-C521RD | Red, cathode, overflow single digit LED display |
| BL-B4521 | Hi-eff red, standard LED lamp (round type) |
| BL-C4521 | Hi-eff red, standard LED lamp (rectangular type) |
| BL-R4521F | Hi-eff red, standard LED lamp (rectangular type) |
| BS-A521RD | Red, anode, single digit LED display |
| BS-C521RD | Red, cathode, single digit LED display |