All new front and rear safety light from Cateye, world leaders in Bicycle Light technology! The neat little lights are fitted with powerful led’s that are visible from many angles, not just straight on. Easy-fit loop is attachable to most parts of the bike, body, bags etc., the ‘Loop-lights’ provide superb backup safety for you out on the roads.
Buy them individually as separate front and rears or as a set:  
  
Replaceable 2032 batteries included.
Tool free installation.
Constant and flashing Modes.