Bushnell Rubicon Rechargable 500 lm Auto-Dimming LED Flashlight 500 lumen top-quality CREE LEDs and aircraft grade aluminum construction Auto-dimming feature automatically adjusts from long distance brightness to dim for close range viewing High-efficiency circuitry provides consistent light output and the beam reaches out to 90 meters Ipx4 water-resistant and impact resistant to 1 meters Run time of 1.5 hours; weighs only 7.6 ounces