The 850 lumen Police Security Blackout-R Headlamp is one of the brightest on the market. Not to mention one of the most versatile headlamps available. Along with its high-quality LED chip, the Blackout-R Headlamp features Slide Focus optics, 3 light modes, and a pivoting head for added flexibility. Comfort comes from its adjustable straps and you help the environment by going rechargeable. A 3000mAH lithium-polymer rechargeable battery and a USB charging cable are included.