Separation &Ergonomic Design: Separation design, reducing the burden on the head. Ergonomic head shape with the protective head pad, its comfortable to wear on the head. Flexible head band, easy to adjust the appropriate size to use. Two Light Mode Super bright Headlamp: Two light mode (High/Low) provide the different brightness light to meet your various needs.Super bright and low power consumption LED. It provides high lumen brightness, the light distance up to 3280 ft (about 1000M). The LED life up to 10000H, which eliminates the trouble of replacing the bulb. Rechargeable& Intelligent Protection: Design with over charging and over discharging protection to sure the safety to use.The working time up to 15-30hous after fully charged. IP4 Waterproof Rating & High Angle Adjustable: IP4 waterproof design, it can protect against splashing water from all angles outside, it suitable for using complex outdoor environments. 45 degrees adjustable lamp head, its easy to contro