Bavel Laser Tail Light Laser Led Cycling Bicycle Bike Taillight Warning Flashing Lamp Alarm Light 7 kinds of flash mode: Always bright, flash, slow flash, left to right, right to left and left to right slow flash, flash, flash back and fort laser lights remind someone else of keeping distance, add safety. This little laser beam tail light will ensure your safety while riding in the darkness Waterproof, safer in water fog when riding in the rain Use for jogging, walking, bicycles, car emergency, horse-riding, road emergency & camping, ETC Easy to install bracket (detachable)