2500 Lumen TL-SkyDevil Rechargeable LED Flashlight Powered by four individual CREE XM-L2 Diodes (Each rated at 1040 Lumens @ 10W) Durable Aircraft Aluminum Design With O-Ring Reinforced Enclosure Powered By High Performance Rechargeable Li-On Batteries (INCLUDED) Three Mode Operation (Maximum, Power Saving Low, and Strobe) Military Grade Construction & Design