Super Bright & Red Light Warning LightThe USB rechargeable headlamp has a 1200mAH high-capacity battery, in strong light mode, it can provide at least 3.5 hours lighting time and it can illuminate an area up to 100 meters ahead. The red safety warning light have two modes (full brightness and flashing) can be switched to ensure night travel safety and emergency response. Ultra-light and ComfortableThe head lights for forehead uses a lightweight design, weighing only 2.2 oz. It is easy to wear on the head without discomfort. The headband also uses elastic material and can adjust the length to easily adapt to different head shapes of adults and children. The hands-free design makes it an essential addition to your running gear. Adjustable Lighting Angle and HeadbandThe headlamp can be adjusted 60 to adapt to different lighting needs. and the flexible lighting angle ensures brightness within your range of activities. The headband is soft and adjustable to fit the head perfectly. The lightweight, hands-free head lamp provides steady lighting while you work