The B50 is a lightweight, high-performance headlamp specially designed for hiking, camping, exploring, rock climbing, construction operations, maintenance, etc. Its main light is equipped with one L2 wick + four XPG2 wicks for the side lights. In extremely bright mode, the brightness is as high as 1200LM can be driven by 1*21700 lithium battery, 1*18650 lithium battery and 3*AAA batteries. It has five levels of lighting and strobe functions. The extremely bright switch switches to extremely bright mode with one click. The charging method adopts anti-reverse insertion method. The USB TYPE-C charging port comes with strong magnet and pen clip functions to better free up your hands and is a good helper for you to experience outdoor activities and work. Features: 1. Aviation-grade aluminum barrel, wear-resistant hard anodized treatment 2. Aluminum alloy high-concentration reflective cup 3.L2+4*XP-G2 wick, brightness up to 1200LM 4. Extremely bright switch: five lights are extremely bright - off, main switch: middle light - side lights are on - five lights are high - five lights are low - five lights are flashing - off 5. In any mode, press the extremely bright gear to switch with one click 6. Line power outage protection function, the light is always on when the lamp body falls to the ground 7. Gear memory function, stay in any gear for 5S or more, and restore the previous gear when turning on the light again 8. Built-in USB TYPE-C charging port, anti-reverse insertion, waterproof and dustproof, making the charging port have a longer life 9. Three specifications of batteries are available: one 21700 lithium battery or one 18650 lithium-ion battery or three AAA batteries 10.160 rotating lamp body design, all-round lighting 11. The left side of the lamp body has a strong magnetic attraction function, which can be used for industrial maintenance 12. The detachable bracket can be used to install a holding clip to meet the lighting needs of different scenes 13.IPX4 waterproof and 1.5 meters high drop-proof Package:1pc