4 Light Changing Modes: These outdoor night clips of running lights have up to 150 lumens of light and are designed in 5 different lighting modes, respectively high, medium (50%), low (30%) and flashing red for different situations. You can easily switch lighting modes with the push of a button Safety Design: The reflective USB rechargeable running light is bright enough to illuminate yourself and the road around you while you jog at night, so others can see you from hundreds of feet away, reducing the frequency of accidents and making training easier Out at night Reliable and easy to maintain: Our outdoor night running gear is made of high-quality ABS plastic and measures approx. 7 x 4 x 2 cm/ 2.7 x 1.6 x 0.8 inch, light weight and compact size, can run for about 3-4 hours on a full charge, suitable for the most weather conditions and seasons Versatile Uses: The reflective USB rechargeable running light can be clipped onto hats, belts, collars, bags, backpacks, dog collars, etc. so that you can does not need to hold in hands, reducing the burden of running, jogging, climbing, camping and outdoor activities oor activities decreased