• This newly-designed Laser tail light can emit two parallel lines， to form a virtual lane together with the moving of bicycle on the road.
• LED flash light and two lines not only enhance the waring effect strongly and greatly but also improve the safety of night riding.
• Water-Resistant， you can use it in a rainy day
• Fits for most type of bikes， Easy to installation
• Use for student， baby stroller，jogging， walking， bicycles， car emergency， horse-riding， road emergency&camping，ETC