PX1 Focus Flashlight, Pure Beam Optic With The Ability To Twist Focus, In Flood Mode, The Light Casts A Huge Circle Of Light That Is Equally Bright Across Without Any Dark Spots, Spot Mode The Light Will Reach Far Down Range With A Transition Halo That Allows For A Large Viewing Area Surrounding The Tight Spot Beam, Lumens: 315 High & 25 Low, Beam Distance: 131 Meters/429' High, 37 Meters/121' Low, Runtime: - 2 Hours 15 Minutes High, 41 Hours Low, Uses 3 "AAA" Batteries, Included.