Foursevens Maelstrom MMU-X3 Flashlight Two outputs, high: 1600 lumens, 2.5 hours & low: 200 lumens, 11 hours Uses three Cree XM-l2 LEDs to give you amazing brightness Body aircraft-grade aluminum; lens optical-grade glass, sapphire coating and antireflective coating Please note: this light requires one 26650 battery and not included