Two Shuttle-era firing room indicator panels, measuring 6.75″ x 1″ x 2″, with Roto-Tellite labels on the tops identifying them as "Part No. 401-N-R, Date of Mfg. 8113." The marked "PWR ON" indicators read: "ID100 REDNDT," "ID200 REDNDT," "ID300 REDNDT," "ID500 REDNDT," and "ID800 REDNDT." In fine condition.