4 light change modes: This outdoor night clip-on running light has up to 150 of light, and is designed with 5 different lighting modes, namely high, medium (50%), low (30%) and red flashing. Under different circumstances, you can easily switch the lighting mode just by clicking the button USB rechargeable: The running light does not need to replace the battery. Remove the cover on the clip, the exposed USB plug chip can adapt to USB ports. When plugged into the interface, the red light indicates it is charging. If it is fully charged, the green indicator light will light up. Reminder: Please pay attention to the direction when inserting. When inserting the interface, adjust to the insert mode and let the product light up Safety design: Reflective USB rechargeable running lights are enough to yourself and the surrounding roads when jogging at night, so others can see you hundreds of meters , reduce the frequency of accidents, and exercise outdoors at night. Reliable and repairable: Our outdoor night running equipment is made of high-quality ABS plastic, with a size of about 7 x 4 x 2 cm/2.7 x 1.6 x 0.8 inches, light weight, compact size, and can run for about 3-4 hours after being fully charged , Suitable for weather and seasons. Wide range of applications: The reflective USB charging driving lights can be clipped to hats, belts, collars, pockets, backpacks, dog collars, etc., so you 't need to hold it in your hands, thereby reducing the of running, jogging, climbing, camping, and outdoor activities. Affordable, practical and convenient. color:Black Material:plastic Package Contents: 1 x Clip lights Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.