Four light change modes: This outdoor night clip type driving light has a light of up to 150 lumens. It is designed with five different lighting modes, namely high, medium (50%), low (30%) and red flashing. Under different circumstances, you can easilyswitch the lighting mode by clicking the button USB charging: the driving light does not need to change the battery. Remove the cover at the clip, and the exposed USB plug chip can adapt to most USB interfaces. When the connector is plugged in, thered light indicates charging. If fully charged, the green light will come on. Reminder: Please pay attention to the direction when inserting. When inserting the interface, adjust to the correct insertion mode that the product can light up. Safetydesign: the reflective USB rechargeable running lamp is bright enough to light up yourself and the surrounding roads when jogging at night, so that others can see you from hundreds of meters away, reduce the frequency of accidents, and make outdoorsports at night more reliable and practical: our outdoor night running equipment is made of high-quality ABS plastic, The size is about 7 x 4 x 2 cm/2.7 x 1.6 x 0.8 inches. It is light and compact, and can run for about 3-4 hours under full charge.It is suitable for most weather and seasons. Mudder provides professional customer service. If you encounter any problems after receiving our products, please contact the buyer and seller. We will always provide help. Widely used: reflective USB rechargeablerunning lights can be clipped on hats, belts, collars, pockets, backpacks, dog collars, etc., so you dont have to hold them in your hands to reduce the burden of running, jogging, mountain climbing, camping, outdoor activities, practical