5182 Small Model Texaco Animated & Lighted Billboard by Miller Signs Suitable for HO scale & S scale,2.3" wide x 4" tall, Limited Edition Billboard The sign comes with a circuit board and AAA battery box, simple to install on your structure on the curcuit board there is a on/off switch and a push button to change the sequence, has over 40 sequences may also be lighted with a 4804 converter or 4803 or 4803 adapter