1.LED:ultra bright white 36 led 2.Performance brightness:12000MCD+/-10%/PC 3.Color temp:6500k+/- 10% 4.Quality LEDenjoys a lifespan of 50,000hours 5.Runtime:4hours 6.Battery:6xAAA(pricenot include) 7.Material:AircraftGradeAlloy 8.Finish:anodized,shoch-proof,water-resistant 9.Maximum Size:149mmx48.8mm 10.Weight:161.5g