4 Lighting Modes: With up to 150 lumens of light, this outdoor night running light is designed with 4 different lighting modes, high, medium (50%), low (30%) and red flashing, Suitable for different situations, you can easily switch the lighting mode by clicking the button USB charging: the driving light does not need to replace the battery; remove the cover at the clip, the exposed USB plug chip can be adapted to most USB interfaces; when plugged into the interface, the red light indicates that it is charging; if it is fully charged, the green light is on; Reminder: Please pay attention to the direction when inserting; when inserting the interface, adjust to the correct insertion method that the product can light up Night Walking Safety Design: The reflective USB rechargeable running light is bright enough to illuminate yourself and the road around you when you jog at night, allowing others to see you from hundreds of meters away, reducing accidents frequency and make it easier to exercise outdoors at night Detailed size: You will receive 1 piece of outdoor night running gear, made of high-quality ABS plastic, the size is approx. 7 x 4 x 2 cm/ 2.7 x 1.6 x 0.8 inches, lightweight and compact, can run about 3-4 hours after fully charged, suitable for most weathers and seasons Where to use: The reflective USB rechargeable running light can be clipped on hats, belts, collars, pockets, backpacks, dog collars, etc., so you don't have to hold it in your hands, which reduces the burden of running, jogging, climbing, camping, outdoor activities, practical