1.good quality 2.solar battery,no replacement 3.water-proof,rain- ... the product is installed on front wheel of bicycle 2. used for safe cycling,especially for night,overcast feature: ... 1. the product adopt solar battery change battery it's not necessary 2. there are different colors of LED ... new AE.run.minisite.productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); solar lamp