Purposefully crafted to offer brighter and more consistent light, the rechargeable Bushnell Rubicon headlamp pairs top-quality Cree led with proven optics technology developed during Bushnell's 65-year history. the innovative total internal reflective (tir) optic collimates light for better visibility, while the Cree led provide bright, consistent illumination throughout the beam. providing 125 lumens of output the Rubicon h125r headlamp serves as a dual output light with a spot for long range and a flood for wide proximity lighting. the red halo low-lumen mode is designed to enhance sight without compromising natural night vision. a battery saving lock-out prevents accidental power on. this workhorse of a headlamp also offers water-resistance to IPX4 standards and impact-resistance to one meter. an adjustable elastic strap ensure you will get a perfect fit. recharge via the included usb cable.