The Coast EAL12 lantern (168Lm) runs off of 4xAA batteries up to 38 hours of run time. It also has red LEDs that can be turned on to provide light but still preserve your eye's natural night vision or you can activate flashing mode to signal for help. Coast is praised all over the world for its excellent price-quality ratio. Unprecedented performance and a 5-year warranty are the foundation of the success of this American brand that has existed for more than 100 years.