About this item More SafetyIn front of the running light is the white led light, it allow them to see in the dark more easily and clearly. On the opposite side of the chest strap is red warning light to help you be seen by the driver and keeping you safe 3 Light Modes Bright and Powerful Warning Chest TorchCasting up to 250 lumens CREE LED within 0-20 meters visibility, this Bright hands-free night running light features 3 cool white modes (high 250LM / low 180LM/ strobe 90LM).You can change it by pressing the red button USB RechargeableThe body lamp is USB Rechargeable with a long life battery. It means you will never need to buy batteries for the run lights. Comes with a USB charger cable, it can easily charged by any USB port.USB charging only 4 hours, can be used using time is more than 5 hours in low mode Comfortable to WearOur chest running light is equipped with elastic elastic band, adjustable length and easy to wear. Easily tight and adjust to your body length and shape, giving you a comfortable feeling during the exercise Best Substitute for Headlamp or Flashlight You forget youre wearing it.Unlike uncomfortable headlamps that weigh you down, our running lights would make you feel like if you are wearing nothing at all. It keeps your hands free (no holding a flashlight any more)