88-1451 Lg. Vertical Who's Hobby House by Miller Signs Suitable for S scale & O scale, Double sided sign, 1.85"t x 1.4"w, Limited edition 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