The Dorcy Deluxe Focusing LED Lantern is the perfect accompaniment for any outdoor gathering. However, there is much more to this lantern than meets the eye, as it is packed with loads of features. With 40 lumens and 240 hours run-time, the lantern is extremely reliable, and provides optimal light in any situation. The LED Bulb operates on 4 x D batteries (not included), making it simple to operate. However, its unrivalled efficiency, thanks to the LED technology, means you won't have to run for battery changes all too often.