Coast HP6TAC 170 Lumen Focusing LED Flashlight with Tactical Strobe Light output: High-170-Lumens; Low-34-Lumens Runtime: High-5-Hours; Low-45-Hours 15 minutes Beam distance: High-104-meters (341 -Feet); Low-35-meters (114 -Feet) Impact and water resistant aluminum casing; 6.63-Inch length 2 AA-Cell batteries are included to allow for immediate use