Let there be light. The energy-efficient Nitecore Multi-Task Series LED Flashlight has a maximum run-time of 180 hours (in ultra-low power mode), ensuring that you will have light when you need it most. The CREE XP-G2 R5 LED light has a maximum output of 360 Lumens and has a secondary red LED light for signalling and night use. Waterproof and impact resistant, this is the flashlight you want by your side. Power with 2 AA or Ni-MH batteries.