33-8910 N & Z scale 7-Eleven billboard by Miller Signs N Scale, Z Scale, can be used as a roof top billboard, comes with supports that must be assembled 3 sequences, on/off/a single flash sequence, runs on 4.5 volts A clear back ground 2"w x 2.2"t may be trimmed to fit the supports 1"w x 1.35"t comes with a sign, ciruit board, and AAA battery box, completely assembled may also be powered with a 4804 converter and either a 4802 or 4803 adapter