Depending on which coach you fit them to they are different lengths so you cut them to length which leaves 1 or 2 LEDs on the stripOn the instructions it says you can use these elsewhere
Link to manual
About cutting boards to length 1st page on left column
http://www.esu.eu/en/downloads/instruction-manuals/interiour-lighting-sets/?no_cache=1&tx_esudownloads_pi1%5BdownloadItem%5D=60d98d04cdb73b4004a0e9a534df3b58