90 Adjustable Beam Angle- Running light can be tilted down 45 and can also illuminate straight 45 to meet the demands of runners on up and down slopes . LED Chest Light 90 adjustable beam design perfectly meets runners' requirements for lighting ground, slopes and other complex terrain conditions. IPX6 Waterproof- This Running chest light for jogging is waterproof according to IPX6 and protects against splashing water from anywhere without you having to worry about rain or snow. With a weight of only 210g, the belt is soft, very comfortable and never falls off. Ideal for running, camping, hiking, hunting, fishing, climbing, construction, auto repair, backpacking and other indoor and outdoor activities. Running Light USB Rechargeable- The running light is a USB rechargeable and waterproof design: built-in 2000 capacity battery, USB power adapter. USB port included that is compatible with most ports so you can charge your security light anytime, anywhere. Charge faster, burn longer and simply enjoy your activities. Three lighting modes- This running light has two lighting modes: strong light, medium light and strobe. It's easy to use. The LED running light can be operated with one hand by pressing the button to ensure that you can adjust the lighting mode in time without being distracted, which is safer. The red backlight ensures that you can be seen by pedestrians and passing vehicles, reducing the risk. Portable and comfortable- Thanks to the clip closure, the running light can be put on and removed very quickly without getting tangled. Adjustable for optimal comfort depending on body shape and size. Please contact us with any questions, comments or concerns! Many people enjoy running, walking, horseback riding, or camping at night or early in the morning. But how to have a good view in the dark and be safe from cars is a problem. Our super bright safety light with 90adjustable LED front light and rear red indicator light, can alert passing vehicles of your presence, ensuring your safety. At the same time, the bright adjustable 500 lumen LED light allows you to adapt the light beam to different requirements. So if you focus on staying safe under your feet, you can also avoid the obstacles in front of you.