Made for the professional and built for the extremes, the Fenix HP35R Rechargeable Professional Headlamp is built to perform. The glove-friendly, rotary and button combo switch allows you to choose between different levels of spotlight, floodlight, or both-for a jaw-dropping 4000 max lumens with an almost 500-yard throw. The battery pack contains two built-in 5000mAh batteries and can be used as a power bank to charge other devices. Built into the battery case is a red safety light used for alerting others to your location. Spot-and-floodlight delivers a max output of 4000 lumens and high CRI floodlight delivers a max output of 1200 lumens Utilizes one XHP70 neutral white LED, two Luminus SST20 warm white LEDs; with a lifespan of 50,000 hours each Glove-friendly rotary switch and electronic switch for easy and fast operation Quick-release large-capacity battery case with red light function and power bank function Intelligent brightness downshifting function to avoid potentially dangerous high temperature(s) at close-range lighting Inner waterproof USB Type-C charging port IP66 rated protection and 2m impact resistance