west biking night running lights, usb rechargeable chest light with 90° adjustable beam angle, 500 lumens waterproof ultra bright safetylamp with reflective straps for runner west biking led running light is one of the best lighting solutions, and allows you to both see and be seen while on your run in low to no light situations. this running chest light securely wore in your chest and goes over the back, casting light at a lower angle than headlamps and allowing you to see ground objects more easily. which also dramatically reduces glare from reflecting back to your eyes and it won't bounce around like a headlamp since it's almost attached to your center of gravity.<br><br> need a simple running light to make your nightly runs safer and more enjoyable? if so then this is a great product to consider adding to your running gear collection.