Ultra Bright & Long LifetimeAfter comparing hundreds of LED beads, we developed this new headlamp with built-in P360 multi-core matrix LED bead to improve the light efficiency and brightness, whose photoelectric conversion efficiency is at least 40% higher than ordinary ones. Thus the intensity can reach up to 90000 lumens, and the max lighting distance can reach 1000m. Also the 3*2500mAH batteries included provide 10 hours working time and 50 hours at low settings after fully charged.11 Lighting Modes & ZoomableTo meet various lighting occasions, brightbeam headlamp is designed with 3 Lighting sources. The headlamp has 5 light modes as high, medium, low, strobe, sos and tactical zoom; The side lamp has 4 light modes as high, medium, red light, sos; Then constant red light and sos mode in backlight. Also the headlamp supports zoom function, so that you can adjust the spotlight for long-distance observation, floodlight for large-area lighting.USB Rechargeable & Two-way Charging ModeSuper bright headlamp is specially designed with 3* 2500mAH rechargeable batteries, a Type-C Micro input port and a USB power output, so that you can use charge the flashlight headlamp with any external power source with a Type-C cable, or making it as an emergency power supply to charge your mobile phones if necessary. With which you can enjoy your trip to the outdoors without worrying that your equipment would run out of battery.90Adjustable & Ergonomic designThe head light could be rotated from 0-90 for a larger range of vision, and it's tightly fixed to avoid shaking and sliding while running. Then this ergonomically designed hunting headlamp is equipped with a sweat-resistant and adjustable headband to fit different head circumference size, so that it's absolutely suitable for all people. The button top-mounted design allows you to adjust the lighting modes without having to flip the headlamp over every time.