100% Brand New.Material: plasticWeight: 81g(Approx)Size: 8 x 7 x 2.5cm (L x W x H)High Quality laser bicycle safety laser lightsUse for student， baby stroller， jogging， walking， bicycles， car emergency， horseiding， road emergency&camping， etc.High brightness laser light to warn on the roadConstant laser light for safetyPowered by 2 AAA batteries (not included)Package Content:1 x Bicycle Tail LED light1 x Clamp