MACHINED AIRCRAFT ALUMINIUM BODY CORROSION RESISTANT / WATER RESISTANT / SHOCK RESISTANT 150,000 HOURS LIFE FOR LED BULB / RECHARGEABLE BATTERY HYPER BRIGHT LED 3 WATT / 1000 METERS-COVERAGE RANGE FLASH LIGHT 2.5 HOURS CONTINUOUS WORKING / UNBREAKABLE GLASS 2 YEARS WARRANTY