About this item Super Long-Lasting & Type-C Fast Charging This running light works as long as 6 hours at 50% Med Brightness while about 3 hours for 100% High Brightness, 10 hours for Red Strobe Mode. Thanks to upgraded Type-C fast charge chips, this running light could be charged quickly via any device like a laptop using the cable provided in around 50 min. Ultra Compact & Super-Bright With compact dimensions of 1.9*1.7 inches and a weight of 1.7 oz, we can either put it into your pocket or clip on our jacket, hat and bag. The clip on running light uses class-leading LED chips that has the maximum brightness of 200 lumens. It is powerful enough to light your path, at same time, ensuring that others will see you hundreds of meters away. Use Red Strobe Mode in case of emergency. Sturdy Magnets Unlike other designs, our running light for runners is securely held in place with strong magnets preventing any annoying falls during use. Don’t need to ask others to help hold a flashlight for you anymore! You can also attach it to any iron surface(not suitable for aluminum surfaces)and use as a working light, which will be an unusual tool for electrician, handymen, mechanics when repair, work, assemble needing extra light. Water Resistant & Wide Application This night walking light features a silicone cover that provides exceptional protection from water and dirt, providing impact-resistance of 5ft. Perfect for outdoor activities such as running, jogging, dog walking, repairing, camping, climbing, hiking, and travel. No Battery Waste Ditch your batteries and don’t worry about battery replacement like other lights. It has a built-in rechargeable battery, so you don’t need to buy another battery, which can reduce D/C/AA/AAA dry battery waste!