This headlight features 8 super bright 30 lumen leds with three output options with a working life of over 80000 hours the lamp casing is water resistant and may be tilted by up to 90 degrees fitted with a comfortable fully adjustable one inch head strap for user comfort headlight torches are designed for use when both hands need to be free when working in dark or confined areas3 modes2 leds approx 80 hours battery life4 leds approx 60 hours battery life8 leds approx 40 hours battery life