Coast eal17 led lantern 460 lumens the coast eal17 lantern runs off of 4 x d cell batteries and offers up to 50 hours of run time in low mode and delivers a maximum of 460 lumens of white light at full power it also has red leds that can be turned on to provide light but still preserve your eyes natural night vision or you can activate flashing mode to signal for help the coast eal17 lantern provides an incredible brightness and energy efficiency with up to 6 nights of light on a single