Light Unit, Train 12V 4 x 4 x 1 2/3, Flash

Reference

upn0271

BrickLink® #

x543

Light Unit, Train 12V 4 x 4 x 1 2/3, Flash (part upn0271) is a LEGO element. CollectORbuild's catalog records it in 2 sets, including Flash Light Unit and Remote Controlled Road Crossing.