led bike lighting 1,silicon case 2,white&red led light 3,2pcsx2032 batteries 4.Hold onto bar ... diameters from 10 to 32mm FEATURE: led bike lighting ... 1,silicon case 2,white&red led light 3,2pcsx2032 batteries 4.Hold ... diameters from 10 to 32mm5,100% ROHS6,Easy installation7,Light color: ANY COLOR 8,Package:2 pc/poly ...