The rechargeable ACTIK CORE headlamp offers 350 lumens of power which, combined with its mixed beam, makes it ideal for outdoor activities like mountaineering, running, hiking and backpacking. A HYBRID headlamp that comes with CORE, a battery that is rechargeable via standard USB port. It is compatible with standard batteries without the need for an adapter. Red lighting preserves night vision and prevents blinding other members of the group. Its reflective headband helps you to be seen when a light is shone on it, and is equipped with an emergency whistle for rescue situations. Features:- Multi-beam headlamp designed for proximity lighting, movement, and distance vision.