USB Rechargeable & Powerful 800mAh Battery: Built-in 800mAh rechargeable battery, this headlamp can be charged via USB cable. You no longer need to buy batteries. It can be fully charged in just 2.5 hours, it will provide 7-12 hours continuous working time, and can withstand long-term outdoor activities. User-Friendly Headlamp: Brightness High 1500 lumens provides 100m of visibility for a wider field of vision. Safer in the dark and outdoors. The 60° adjustable lamps base allows you to focus the light where you need it. With an elastic and adjustable headband, the headlamp can be adjusted for a perfect fit. It weighs only 69g, which does not bring a heavy burden to the head. 6 Lighting Modes: 4 White Light Modes: Strong/Weak XPG Light + Strong/Weak COB Light, 2 modes red COB light: strong lighting + SOS flashing. The red light will serve as an SOS signal in an emergency. Meet the lighting needs of different situations and crowds. 2 Sensor Modes: Strong XPG white light + strong COB