... brightness lighting (2) Low brightness lighting (3) Flashing4, Aluminum alloy orange reflector cup, perfect focus5, High working temperature6, Waterproof, ... be used in heavy rain7, Material: T6061 aviation aluminum alloy, all-metal manufacturing8, Surface: Army Regulation oxidation color: Asian ... 8.4V, sustainable work 3-4 hours Applications:1, Bicycle lighting, fixed on bicycle2, Worn on one's head ...