LED Floating Lantern floats for easy water recovery & features Ready flex Technology. It conveniently runs on two or four D batteries. With long-lasting LED technology, this ergonomic solution also shines up to four times brighter than standard LED technology. Lantern delivers a powerful beam (80 Lumens) & extraordinary runtime up to 140 hours (four heavy-duty batteries) or 400 hours (four alkaline batteries). It comes with two Eveready Super heavy-duty D batteries