Energizer MK7 Floating Lantern, 275 Lumens, IP67 Waterproof, Weatheready Outdoor and Emergency Light, 100-Hour Runtime, Batteries Included[Energizer Lantern]: One (1) WeatheReady Weatheready MK7 Lantern has a beam distance that covers the length of a stadium field for exceptional lighting [Use Cases]: Versatile, use this LED light as an emergency light, work light or outdoor light [Bright Light]: 275 lumen waterproof lantern is 12x brighter than the standard LED technology with up to a 250 meter beam distance [Exceptional Runtime]: Up to 100 hours of reliable lighting for exceptional,