Running lights with 500 lumen adjustable beam, waterproof USB rechargeable front light and flashing rear warni WalkbeeUpgraded Adjustable BeamConfused with the running light can't adjust the angle? This humanized running light adds adjustable beam design, meets runners' requirements for uphill and downhill slopes, run your race safely and effectively avoid accidental tripping Brighter and visible all around500 lamp lumens chest illuminate the path in front of you up to 25 meters away, see ground situations clearly. Rear flashing red lights plus a high-visibility reflective strip stay visible, maximize your night run safety Lightweight & Hands-FreeOnly 5.6oz in weight, no burden for nighttime activities, the stretchy adjustable strap design makes it more comfortable and easy to wear, great for different body shapes and no tight feelings USB rechargeable and waterproofNo more wasting money on batteries, 2200mAh large battery easily charged by computer, power bank. IPX-5 waterproof without worry of rainy day in outdoor activities Multi-use for outdoor safetyEquipped with this bright chest light, never worry about exercising in the weather dark outside. Ideal for outdoor activities like running, jogging, walking the dog, hiking. Essential safety gear for runners, joggers and walkers