Sunyou2 Laser + 5 LED Cycling Bicycle Bike Taillight Warning Flashing Lamp Alarm Light Bike Lights Bicycle Llights Warning :laser radiation avoid direct eye exposure ! Keep out reach of children ! ! !? 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 forth 2 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. IP2 Waterproof, safer in water fog when riding in the rain Use for jogging, walking, bicycles, car emergency, horse-riding, road emergency & camping, ETC.