4 Lighting Modes: This outdoor night clip on traffic light has up to 150 lumens of light and is designed in 4 different lighting modes, respectively high, medium (50 percent ), low (30 percent ) and flashing red for different situations, you can easily switch light modes with one click USB rechargeable: the lights do not need to replace the battery Remove the clip cover, the exposed USB socket chip can fit most USB interfaces When inserting the interface, the red light indicates that it is charging If fully charged, the green light will turn on Reminder: Please pay attention to the direction when inserting When inserting the interface, adjust the correct insertion mode so that the product can light up Safety design for night walking: the reflective USB rechargeable running light is bright enough to illuminate you and the road around you while jogging at night, so others can see you from hundreds of feet away, reducing the frequency of accidents and making it easier to exercise outdoors at night Detail Size: You will receive 2 outdoor night running gear, made of quality ABS plastic, measuring approx. 7 x 4 x 2 cm or 2.7 x 1.6 x 0.8 inch, lightweight and compact, can work for about 3-4 hours on a full charge, suitable for most weather conditions and seasons Where to use it: The reflective USB rechargeable running light can be clipped onto hats, belts, collars, pockets, backpacks, dog collars, etc., so you don't have to not hold it in your hands, reducing the burden of running, jogging, climbing, camping, outdoor activities, convenient to use