BOSS FS-5L Latching Type Foot Switch Old and Current Models Used item. Operation confirmed. The batteries for the LED illumination differ, one being AA and the other AAA. The switch operates even without batteries. By switching the polarity switch while holding down the illumination, the illumination operation can be reversed. (Batteries are not included as they are only for confirming LED illumination.) There are minor scuffs and scratches from use. Will be carefully packed and shipped the same day.