Miller Engineering ~ HO or O Scale ~ Amtrak Station Sign ~ 64811LMiller Engineering ~ HO or O Scale ~ Amtrak Station Sign ~ 64811L Suitable for HO scale, S scale, O scale, 1. 6w x . 7t Left side mount 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 will not work in DTN 002 base Each sign kit comes