YueYueZou&reg; Rechargeable Diamond Shape Bike Tail Light with Lasers Cool Super Bright 8 LED Taillight And 2 Laser Safety Warning Line Rechargeable battery, high content L1 Battery make it long use time and environmental protection, even decrease more cost It can be used 6 hours continuously. The laser broad tail light and LED light are used in improve the security of night riding and cycling entertainment. The circuit protection,180-degree adjustable bracket,Provides 220 degrees of visibility from up to 1 mile away Great for student,baby stroller,jogging, walking, bicycles, car emergency, horse-riding, road emergency&camping,ETC