4 lighting modesA wide variety of lighting with 4 different lighting modes for optimal safety, switch 4 lighting levels at the press of a button: 100%, 70%, 40% and red light. you can switch light mode easily with one click. Night Lighting DesignThis flashing light is clearly visible about 500 meters away when it emits light, reducing the accident rate and which can facilitate outdoor training. USB Rechargeablelights do not need to replace the battery; Remove the clip cover, the exposed USB socket chip can fit most USB interfaces; It is easy to charge and can be used for about 4 hours on a single charge. Small Size for Easy Carrying The Running Light is lightweight and small enough. the lamp can easily be attached to a cap, jacket, belt, school bag, backpack, headband or dog collar, pants or sports bag. Widely usedNight lamp ideal for adults and children, Ideal for outdoor activities like running, jogging, walking the dog, hiking. Essential safety gear for runners, joggers and walkers.