Diamond Shape Super Bright Waterproof Rechargeable 8 LED 3 Modes 2 Laser Beam Mountain Bike Road Bicycle Cyling Rear Laser Tail Light Flashlight Warning Light Safety Light LampSuper Bright 8 LED Taillight And 2 Laser Safety Warning LineRechargeable: Built-in Li-ion battery that can be recharged by USB. 1200mAh battery working about 6 hours.The circuit protection，180-degree adjustable bracket，Provides 220 degrees of visibility from up to 1 mile away3 modes:quick blink， slow blink and continue light. Waterproof， safer in water fog when riding in the rain Kindly Note : Do not look directly at laser lights Use.Great for student， baby stroller， jogging， walking， bicycles， car emergency， horse-riding， road emergency&camping， ETC.