2 X Rod tip lights with 2 X batteries included, state of the art micro LED bulbs ultra bright fluorescent green powered from the included CR322 batteries, perfect for attaching to your rod tip for sea / course night fishing, these are so much more effective than the traditional snap star lights and can be seen from a greater distance, very simple setup, unscrew the light apart and insert the battery with the point end into the led end so the light turns on then screw them back together tight, there is a micro rubber gasket to seal the light making them water tight.
 
Please note this item is for the 2 lights and 2 batteries only, holders for the lights are below in the link.
 
Light size is 41mm in length and 4.6mm in width.